/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 17:27:05,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 17:27:05,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 17:27:05,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 17:27:05,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 17:27:05,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 17:27:05,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 17:27:05,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 17:27:05,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 17:27:05,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 17:27:05,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 17:27:05,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 17:27:05,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 17:27:05,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 17:27:05,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 17:27:05,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 17:27:05,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 17:27:05,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 17:27:05,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 17:27:05,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 17:27:05,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 17:27:05,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 17:27:05,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 17:27:05,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 17:27:05,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 17:27:05,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 17:27:05,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 17:27:05,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 17:27:05,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 17:27:05,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-19 17:27:05,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-19 17:27:05,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-19 17:27:05,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-19 17:27:05,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-19 17:27:05,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-19 17:27:05,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-19 17:27:05,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-19 17:27:05,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-19 17:27:05,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 17:27:05,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 17:27:05,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 17:27:05,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 17:27:05,967 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 17:27:05,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 17:27:05,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 17:27:05,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 17:27:05,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 17:27:05,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 17:27:05,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 17:27:05,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 17:27:05,969 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 17:27:05,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 17:27:05,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 17:27:05,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 17:27:05,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 17:27:05,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:27:05,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 17:27:05,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 17:27:05,973 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 17:27:05,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 17:27:06,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 17:27:06,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 17:27:06,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 17:27:06,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 17:27:06,157 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 17:27:06,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2023-05-19 17:27:06,158 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2023-05-19 17:27:06,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 17:27:06,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 17:27:06,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 17:27:06,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 17:27:06,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 17:27:06,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,197 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 17:27:06,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 17:27:06,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 17:27:06,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 17:27:06,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 17:27:06,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 17:27:06,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 17:27:06,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 17:27:06,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 17:27:06,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/1) ... [2023-05-19 17:27:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 17:27:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:06,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 17:27:06,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 17:27:06,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 17:27:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 17:27:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 17:27:06,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 17:27:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 17:27:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 17:27:06,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 17:27:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 17:27:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 17:27:06,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 17:27:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 17:27:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 17:27:06,267 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 17:27:06,305 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 17:27:06,307 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 17:27:06,421 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 17:27:06,431 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 17:27:06,431 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 17:27:06,432 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 05:27:06 BoogieIcfgContainer [2023-05-19 17:27:06,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 17:27:06,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 17:27:06,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 17:27:06,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 17:27:06,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 05:27:06" (1/2) ... [2023-05-19 17:27:06,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca4bea3 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 05:27:06, skipping insertion in model container [2023-05-19 17:27:06,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 05:27:06" (2/2) ... [2023-05-19 17:27:06,461 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2023-05-19 17:27:06,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 17:27:06,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 17:27:06,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 17:27:06,482 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 17:27:06,539 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 17:27:06,577 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:27:06,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 17:27:06,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:06,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 17:27:06,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 17:27:06,630 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 17:27:06,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 17:27:06,651 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cdcba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 17:27:06,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 17:27:06,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:06,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:06,829 INFO L85 PathProgramCache]: Analyzing trace with hash -751776199, now seen corresponding path program 1 times [2023-05-19 17:27:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:06,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777780366] [2023-05-19 17:27:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 17:27:07,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:07,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777780366] [2023-05-19 17:27:07,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777780366] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:07,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543050701] [2023-05-19 17:27:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:07,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:07,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:07,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 17:27:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:07,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-19 17:27:07,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 17:27:07,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 17:27:07,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543050701] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:27:07,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 17:27:07,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-05-19 17:27:07,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455024159] [2023-05-19 17:27:07,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:27:07,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 17:27:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:07,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 17:27:07,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-19 17:27:07,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:07,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:07,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:07,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:07,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 17:27:07,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-19 17:27:07,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:07,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1687648706, now seen corresponding path program 2 times [2023-05-19 17:27:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:07,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147573488] [2023-05-19 17:27:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:07,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147573488] [2023-05-19 17:27:07,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147573488] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:07,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964018535] [2023-05-19 17:27:07,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:27:07,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:07,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:07,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:07,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 17:27:07,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:27:07,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:07,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 17:27:07,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:07,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:07,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964018535] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:07,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:07,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2023-05-19 17:27:07,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600283656] [2023-05-19 17:27:07,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:07,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 17:27:07,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:07,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 17:27:07,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-05-19 17:27:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:07,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:07,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:07,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:08,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:08,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1131197014, now seen corresponding path program 3 times [2023-05-19 17:27:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:08,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537085333] [2023-05-19 17:27:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537085333] [2023-05-19 17:27:08,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537085333] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:08,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375995314] [2023-05-19 17:27:08,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:27:08,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:08,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:08,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:08,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 17:27:08,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-19 17:27:08,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:08,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 17:27:08,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:08,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-19 17:27:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:08,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:08,526 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:08,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2023-05-19 17:27:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:08,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375995314] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:08,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:08,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-05-19 17:27:08,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858738449] [2023-05-19 17:27:08,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:08,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 17:27:08,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:08,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 17:27:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2023-05-19 17:27:08,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:08,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:08,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:08,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:08,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:08,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:08,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:09,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:09,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:09,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:09,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:09,206 INFO L85 PathProgramCache]: Analyzing trace with hash -178384223, now seen corresponding path program 4 times [2023-05-19 17:27:09,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:09,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932464555] [2023-05-19 17:27:09,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:09,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:09,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:09,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932464555] [2023-05-19 17:27:09,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932464555] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:09,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590289670] [2023-05-19 17:27:09,245 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 17:27:09,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:09,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:09,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:09,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 17:27:09,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 17:27:09,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:09,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 17:27:09,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:27:09,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-19 17:27:09,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590289670] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 17:27:09,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-19 17:27:09,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-19 17:27:09,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819903917] [2023-05-19 17:27:09,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 17:27:09,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 17:27:09,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 17:27:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-19 17:27:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:09,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:09,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:09,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:09,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:09,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:09,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:09,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:09,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:09,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:09,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1129970361, now seen corresponding path program 5 times [2023-05-19 17:27:09,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:09,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943644206] [2023-05-19 17:27:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:09,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:09,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943644206] [2023-05-19 17:27:09,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943644206] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:09,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500680643] [2023-05-19 17:27:09,769 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 17:27:09,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:09,770 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:09,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 17:27:09,800 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-05-19 17:27:09,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:09,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 17:27:09,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:27:10,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:27:10,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-05-19 17:27:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:10,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:10,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:27:10,400 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:27:10,418 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:10,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 49 [2023-05-19 17:27:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:10,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500680643] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:10,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:10,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-05-19 17:27:10,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078276293] [2023-05-19 17:27:10,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:10,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-19 17:27:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:10,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-19 17:27:10,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=878, Unknown=0, NotChecked=0, Total=1056 [2023-05-19 17:27:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:10,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:10,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 33 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:10,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:10,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:10,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:10,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:11,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:11,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:11,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash -472131766, now seen corresponding path program 6 times [2023-05-19 17:27:11,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:11,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935348620] [2023-05-19 17:27:11,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:11,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 17:27:11,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:11,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935348620] [2023-05-19 17:27:11,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935348620] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:11,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702717790] [2023-05-19 17:27:11,665 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 17:27:11,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:11,666 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:11,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 17:27:11,692 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-19 17:27:11,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:11,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-19 17:27:11,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:11,917 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:11,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2023-05-19 17:27:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:11,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:12,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:27:12,198 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:12,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 43 [2023-05-19 17:27:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:12,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702717790] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:12,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:12,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 35 [2023-05-19 17:27:12,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359357363] [2023-05-19 17:27:12,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:12,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-19 17:27:12,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:12,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-19 17:27:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=976, Unknown=0, NotChecked=0, Total=1190 [2023-05-19 17:27:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:12,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:12,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:12,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-19 17:27:14,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:14,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:14,658 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash -536809705, now seen corresponding path program 7 times [2023-05-19 17:27:14,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:14,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697855843] [2023-05-19 17:27:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:14,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 17:27:15,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:15,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697855843] [2023-05-19 17:27:15,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697855843] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:15,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729112891] [2023-05-19 17:27:15,070 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 17:27:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:15,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:15,071 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:15,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 17:27:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:15,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-19 17:27:15,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:15,646 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:15,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2023-05-19 17:27:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:15,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:16,257 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:16,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 55 treesize of output 179 [2023-05-19 17:27:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:17,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729112891] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:17,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:17,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 22] total 51 [2023-05-19 17:27:17,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513020583] [2023-05-19 17:27:17,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:17,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-19 17:27:17,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:17,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-19 17:27:17,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=2210, Unknown=0, NotChecked=0, Total=2550 [2023-05-19 17:27:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:17,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:17,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.9215686274509804) internal successors, (98), 51 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-19 17:27:17,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 17:27:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-19 17:27:23,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 17:27:23,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-19 17:27:23,895 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:27:23,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:27:23,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1593409386, now seen corresponding path program 8 times [2023-05-19 17:27:23,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:27:23,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038899246] [2023-05-19 17:27:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:27:23,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:27:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:27:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-05-19 17:27:24,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:27:24,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038899246] [2023-05-19 17:27:24,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038899246] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:27:24,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268969871] [2023-05-19 17:27:24,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 17:27:24,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:27:24,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:27:24,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:27:24,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 17:27:24,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 17:27:24,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:27:24,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 61 conjunts are in the unsatisfiable core [2023-05-19 17:27:24,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:27:26,290 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:26,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2023-05-19 17:27:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 1 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:26,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:27:28,188 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:27:28,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 94 treesize of output 518 [2023-05-19 17:27:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:27:43,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268969871] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:27:43,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:27:43,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 35, 35] total 84 [2023-05-19 17:27:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046684827] [2023-05-19 17:27:43,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:27:43,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-05-19 17:27:43,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:27:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-05-19 17:27:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=6128, Unknown=0, NotChecked=0, Total=6972 [2023-05-19 17:27:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:27:43,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:27:43,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 1.869047619047619) internal successors, (157), 84 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-19 17:27:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:28:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-19 17:28:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2023-05-19 17:28:22,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-19 17:28:23,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:28:23,058 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:28:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:28:23,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1759803858, now seen corresponding path program 9 times [2023-05-19 17:28:23,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:28:23,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432334283] [2023-05-19 17:28:23,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:28:23,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:28:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:28:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 11 proven. 152 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-05-19 17:28:23,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:28:23,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432334283] [2023-05-19 17:28:23,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432334283] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:28:23,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088098642] [2023-05-19 17:28:23,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 17:28:23,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:28:23,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:28:23,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:28:24,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 17:28:24,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-05-19 17:28:24,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:28:24,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 76 conjunts are in the unsatisfiable core [2023-05-19 17:28:24,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:28:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 17:28:26,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:26,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 36 disjoint index pairs (out of 120 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 42 [2023-05-19 17:28:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:28:26,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:28:30,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 17:28:30,355 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:28:30,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 480 [2023-05-19 17:28:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:28:37,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088098642] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 17:28:37,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 17:28:37,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 42, 42] total 99 [2023-05-19 17:28:37,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476168413] [2023-05-19 17:28:37,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 17:28:37,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-19 17:28:37,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 17:28:37,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-19 17:28:37,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1538, Invalid=8164, Unknown=0, NotChecked=0, Total=9702 [2023-05-19 17:28:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:28:37,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 17:28:37,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 1.7777777777777777) internal successors, (176), 99 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2023-05-19 17:28:37,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 17:28:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 17:28:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-19 17:28:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2023-05-19 17:28:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 17:28:49,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 17:28:49,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 17:28:49,365 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 17:28:49,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 17:28:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2034925778, now seen corresponding path program 10 times [2023-05-19 17:28:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 17:28:49,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578048099] [2023-05-19 17:28:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 17:28:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 17:28:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 17:28:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 13 proven. 236 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-05-19 17:28:50,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 17:28:50,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578048099] [2023-05-19 17:28:50,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578048099] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 17:28:50,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280756934] [2023-05-19 17:28:50,569 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 17:28:50,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 17:28:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 17:28:50,570 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 17:28:50,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 17:28:50,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 17:28:50,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 17:28:50,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-19 17:28:50,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 17:28:54,062 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:28:54,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 134 treesize of output 50 [2023-05-19 17:28:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 17:28:54,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 17:28:59,191 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 17:28:59,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 146 treesize of output 1250 Received shutdown request... [2023-05-19 17:40:56,772 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-19 17:40:56,775 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 17:40:56,776 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:40:56,776 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:40:56,788 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 17:40:56,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-19 17:40:56,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 17:40:56,991 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∨-2-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2023-05-19 17:40:56,992 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 17:40:56,993 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 17:40:56,993 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 17:40:57,013 INFO L444 BasicCegarLoop]: Path program histogram: [10] [2023-05-19 17:40:57,015 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 17:40:57,015 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 17:40:57,017 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 05:40:57 BasicIcfg [2023-05-19 17:40:57,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 17:40:57,017 INFO L158 Benchmark]: Toolchain (without parser) took 830840.43ms. Allocated memory was 127.9MB in the beginning and 766.5MB in the end (delta: 638.6MB). Free memory was 90.7MB in the beginning and 692.4MB in the end (delta: -601.7MB). Peak memory consumption was 510.4MB. Max. memory is 8.0GB. [2023-05-19 17:40:57,018 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 17:40:57,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.48ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 17:40:57,018 INFO L158 Benchmark]: Boogie Preprocessor took 14.69ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 87.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 17:40:57,019 INFO L158 Benchmark]: RCFGBuilder took 217.60ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 78.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 17:40:57,019 INFO L158 Benchmark]: TraceAbstraction took 830583.06ms. Allocated memory was 127.9MB in the beginning and 766.5MB in the end (delta: 638.6MB). Free memory was 76.9MB in the beginning and 692.4MB in the end (delta: -615.4MB). Peak memory consumption was 495.8MB. Max. memory is 8.0GB. [2023-05-19 17:40:57,020 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 0.12ms. Allocated memory is still 127.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.48ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.69ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 87.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.60ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 78.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 830583.06ms. Allocated memory was 127.9MB in the beginning and 766.5MB in the end (delta: 638.6MB). Free memory was 76.9MB in the beginning and 692.4MB in the end (delta: -615.4MB). Peak memory consumption was 495.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6029, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 1691, dependent conditional: 1684, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4503, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 165, dependent conditional: 158, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4503, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 165, dependent conditional: 158, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 1106, dependent unconditional: 710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 346, dependent unconditional: 1470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 346, dependent unconditional: 1470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 809, independent: 680, independent conditional: 361, independent unconditional: 319, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 809, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 493, dependent conditional: 0, dependent unconditional: 493, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 493, independent: 364, independent conditional: 361, independent unconditional: 3, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 493, independent: 364, independent conditional: 361, independent unconditional: 3, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 887, independent: 556, independent conditional: 519, independent unconditional: 37, dependent: 330, dependent conditional: 264, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6154, independent: 3658, independent conditional: 184, independent unconditional: 3474, dependent: 1687, dependent conditional: 226, dependent unconditional: 1461, unknown: 809, unknown conditional: 481, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 809, Positive cache size: 680, Positive conditional cache size: 361, Positive unconditional cache size: 319, Negative cache size: 129, Negative conditional cache size: 120, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 760, Maximal queried relation: 8, Independence queries for same thread: 1526 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 85, Number of trivial persistent sets: 46, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 384, independent: 377, independent conditional: 0, independent unconditional: 377, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6029, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 1691, dependent conditional: 1684, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4503, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 165, dependent conditional: 158, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4503, independent: 4338, independent conditional: 3961, independent unconditional: 377, dependent: 165, dependent conditional: 158, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 1106, dependent unconditional: 710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 346, dependent unconditional: 1470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6154, independent: 4338, independent conditional: 545, independent unconditional: 3793, dependent: 1816, dependent conditional: 346, dependent unconditional: 1470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 809, independent: 680, independent conditional: 361, independent unconditional: 319, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 809, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 493, dependent conditional: 0, dependent unconditional: 493, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 493, independent: 364, independent conditional: 361, independent unconditional: 3, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 493, independent: 364, independent conditional: 361, independent unconditional: 3, dependent: 129, dependent conditional: 120, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 887, independent: 556, independent conditional: 519, independent unconditional: 37, dependent: 330, dependent conditional: 264, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6154, independent: 3658, independent conditional: 184, independent unconditional: 3474, dependent: 1687, dependent conditional: 226, dependent unconditional: 1461, unknown: 809, unknown conditional: 481, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 809, Positive cache size: 680, Positive conditional cache size: 361, Positive unconditional cache size: 319, Negative cache size: 129, Negative conditional cache size: 120, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 760, Maximal queried relation: 8, Independence queries for same thread: 1526 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∨-2-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∨-2-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∨-2-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 10 xjuncts wrt. a ∨-2-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 830.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 61.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 638, 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, 0.2s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 981 ConstructedInterpolants, 31 QuantifiedInterpolants, 19081 SizeOfPredicates, 94 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 234 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 175/1458 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown