/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 10:49:34,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 10:49:34,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 10:49:34,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 10:49:34,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 10:49:34,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 10:49:34,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 10:49:34,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-20 10:49:34,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 10:49:34,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 10:49:34,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 10:49:34,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 10:49:34,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 10:49:34,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 10:49:34,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 10:49:34,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 10:49:34,706 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 10:49:34,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 10:49:34,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 10:49:34,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 10:49:34,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 10:49:34,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 10:49:34,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 10:49:34,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 10:49:34,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 10:49:34,710 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 10:49:34,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 10:49:34,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 10:49:34,710 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 10:49:34,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 10:49:34,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 10:49:34,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 10:49:34,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 10:49:34,925 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 10:49:34,926 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 10:49:34,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl [2022-02-20 10:49:34,927 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl' [2022-02-20 10:49:34,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 10:49:34,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 10:49:34,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 10:49:34,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 10:49:34,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 10:49:34,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,960 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 10:49:34,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 10:49:34,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 10:49:34,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 10:49:34,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 10:49:34,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 10:49:34,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 10:49:34,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 10:49:34,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 10:49:34,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/1) ... [2022-02-20 10:49:34,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 10:49:34,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:49:34,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 10:49:34,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 10:49:35,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 10:49:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 10:49:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 10:49:35,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 10:49:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 10:49:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 10:49:35,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 10:49:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 10:49:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 10:49:35,026 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 10:49:35,059 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 10:49:35,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 10:49:35,171 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 10:49:35,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 10:49:35,179 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 10:49:35,180 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:49:35 BoogieIcfgContainer [2022-02-20 10:49:35,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 10:49:35,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 10:49:35,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 10:49:35,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 10:49:35,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:49:34" (1/2) ... [2022-02-20 10:49:35,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586cbc59 and model type loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 10:49:35, skipping insertion in model container [2022-02-20 10:49:35,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:49:35" (2/2) ... [2022-02-20 10:49:35,188 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-lockstep-example.bpl [2022-02-20 10:49:35,192 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 10:49:35,192 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 10:49:35,193 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 10:49:35,193 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 10:49:35,212 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,212 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,215 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,216 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,216 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,216 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,220 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,225 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,225 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,225 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,226 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,236 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,238 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 10:49:35,240 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 10:49:35,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 10:49:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:49:35,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 10:49:35,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 10:49:35,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 10:49:35,321 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 10:49:35,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 10:49:38,684 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2525 transitions and produced 2182 states. [2022-02-20 10:49:38,686 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 10:49:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:49:38,690 INFO L85 PathProgramCache]: Analyzing trace with hash 732766627, now seen corresponding path program 1 times [2022-02-20 10:49:38,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:49:38,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755165089] [2022-02-20 10:49:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:49:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:49:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:49:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 65286 backedges. 60620 proven. 4348 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-02-20 10:49:45,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:49:45,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755165089] [2022-02-20 10:49:45,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755165089] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:49:45,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470353129] [2022-02-20 10:49:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:49:45,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:49:45,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:49:45,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 10:49:45,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 10:49:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:49:45,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 186 conjunts are in the unsatisfiable core [2022-02-20 10:49:45,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:50:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 65286 backedges. 6597 proven. 58665 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-20 10:50:04,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:50:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 65286 backedges. 61988 proven. 2956 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-02-20 10:50:10,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470353129] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:50:10,063 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:50:10,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 187, 105] total 393 [2022-02-20 10:50:10,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843564446] [2022-02-20 10:50:10,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:50:10,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 393 states [2022-02-20 10:50:10,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:50:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 393 interpolants. [2022-02-20 10:50:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50005, Invalid=104051, Unknown=0, NotChecked=0, Total=154056 [2022-02-20 10:50:10,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:50:10,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:50:10,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 393 states, 393 states have (on average 6.129770992366412) internal successors, (2409), 393 states have internal predecessors, (2409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:50:10,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:51:47,334 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4388 transitions and produced 3522 states. [2022-02-20 10:51:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:51:47,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 10:51:47,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 10:51:47,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 10:51:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:51:47,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1802375531, now seen corresponding path program 2 times [2022-02-20 10:51:47,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:51:47,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233049546] [2022-02-20 10:51:47,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:51:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:51:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:52:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 147209 backedges. 87001 proven. 60208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:52:25,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:52:25,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233049546] [2022-02-20 10:52:25,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233049546] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:52:25,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482355805] [2022-02-20 10:52:25,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 10:52:25,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:52:25,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:52:25,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 10:52:25,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 10:52:25,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 10:52:25,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:52:25,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 2792 conjuncts, 288 conjunts are in the unsatisfiable core [2022-02-20 10:52:25,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:53:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 147209 backedges. 72448 proven. 60208 refuted. 0 times theorem prover too weak. 14553 trivial. 0 not checked. [2022-02-20 10:53:14,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:53:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 147209 backedges. 72448 proven. 60208 refuted. 0 times theorem prover too weak. 14553 trivial. 0 not checked. [2022-02-20 10:53:16,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482355805] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:53:16,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:53:16,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [387, 289, 289] total 671 [2022-02-20 10:53:16,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971123017] [2022-02-20 10:53:16,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:53:16,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 671 states [2022-02-20 10:53:16,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:53:16,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 671 interpolants. [2022-02-20 10:53:16,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80463, Invalid=369107, Unknown=0, NotChecked=0, Total=449570 [2022-02-20 10:53:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:53:16,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:53:16,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 671 states, 671 states have (on average 4.254843517138599) internal successors, (2855), 671 states have internal predecessors, (2855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:53:16,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:53:16,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:53:20,728 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4401 transitions and produced 3535 states. [2022-02-20 10:53:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:53:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 10:53:20,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 10:53:20,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:53:20,940 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 10:53:20,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:53:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1257673201, now seen corresponding path program 3 times [2022-02-20 10:53:20,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:53:20,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167282955] [2022-02-20 10:53:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:53:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:53:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:53:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 148062 backedges. 87001 proven. 61061 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:53:58,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:53:58,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167282955] [2022-02-20 10:53:58,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167282955] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:53:58,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921152454] [2022-02-20 10:53:58,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 10:53:58,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:53:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:53:58,153 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) [2022-02-20 10:53:58,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 10:54:01,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 242 check-sat command(s) [2022-02-20 10:54:01,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:54:01,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2803 conjuncts, 387 conjunts are in the unsatisfiable core [2022-02-20 10:54:01,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:55:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 148062 backedges. 87001 proven. 61061 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:55:19,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:55:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 148062 backedges. 87001 proven. 61061 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:55:59,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921152454] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:55:59,129 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:55:59,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [388, 388, 388] total 968 [2022-02-20 10:55:59,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129383149] [2022-02-20 10:55:59,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:55:59,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 968 states [2022-02-20 10:55:59,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:55:59,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 968 interpolants. [2022-02-20 10:55:59,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202520, Invalid=733536, Unknown=0, NotChecked=0, Total=936056 [2022-02-20 10:55:59,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:55:59,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:55:59,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 968 states, 968 states have (on average 4.18904958677686) internal successors, (4055), 968 states have internal predecessors, (4055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:55:59,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:55:59,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 10:55:59,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:56:02,929 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4466 transitions and produced 3600 states. [2022-02-20 10:56:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:56:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 10:56:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 10:56:02,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 10:56:03,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:56:03,131 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 10:56:03,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:56:03,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1482528835, now seen corresponding path program 4 times [2022-02-20 10:56:03,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:56:03,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031506482] [2022-02-20 10:56:03,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:56:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:56:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:56:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 152417 backedges. 87001 proven. 65416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:56:40,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:56:40,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031506482] [2022-02-20 10:56:40,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031506482] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:56:40,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551413698] [2022-02-20 10:56:40,021 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 10:56:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:56:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:56:40,022 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) [2022-02-20 10:56:40,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 10:56:40,420 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 10:56:40,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:56:40,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2858 conjuncts, 300 conjunts are in the unsatisfiable core [2022-02-20 10:56:40,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:57:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 152417 backedges. 74167 proven. 65416 refuted. 0 times theorem prover too weak. 12834 trivial. 0 not checked. [2022-02-20 10:57:29,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:57:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 152417 backedges. 74167 proven. 65416 refuted. 0 times theorem prover too weak. 12834 trivial. 0 not checked. [2022-02-20 10:57:32,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551413698] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:57:32,035 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:57:32,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [393, 301, 301] total 683 [2022-02-20 10:57:32,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970348588] [2022-02-20 10:57:32,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:57:32,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 683 states [2022-02-20 10:57:32,038 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:57:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 683 interpolants. [2022-02-20 10:57:32,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82272, Invalid=383534, Unknown=0, NotChecked=0, Total=465806 [2022-02-20 10:57:32,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:57:32,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:57:32,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 683 states, 683 states have (on average 4.259150805270864) internal successors, (2909), 683 states have internal predecessors, (2909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:57:32,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:57:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 10:57:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 10:57:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:57:35,790 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4479 transitions and produced 3613 states. [2022-02-20 10:57:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2022-02-20 10:57:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 10:57:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 10:57:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 10:57:35,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 10:57:35,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:57:35,991 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 10:57:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:57:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -402551527, now seen corresponding path program 5 times [2022-02-20 10:57:35,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:57:35,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817729193] [2022-02-20 10:57:35,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:57:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:57:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:58:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 153306 backedges. 87001 proven. 66305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:58:13,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:58:13,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817729193] [2022-02-20 10:58:13,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817729193] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:58:13,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795676598] [2022-02-20 10:58:13,092 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 10:58:13,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:58:13,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:58:13,093 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) [2022-02-20 10:58:13,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 10:58:14,402 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 242 check-sat command(s) [2022-02-20 10:58:14,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:58:14,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 393 conjunts are in the unsatisfiable core [2022-02-20 10:58:14,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:59:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 153306 backedges. 87001 proven. 66305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 10:59:31,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 11:00:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 153306 backedges. 87001 proven. 66305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:00:09,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795676598] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 11:00:09,677 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 11:00:09,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [394, 394, 394] total 968 [2022-02-20 11:00:09,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153192801] [2022-02-20 11:00:09,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 11:00:09,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 968 states [2022-02-20 11:00:09,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 11:00:09,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 968 interpolants. [2022-02-20 11:00:09,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197465, Invalid=738591, Unknown=0, NotChecked=0, Total=936056 [2022-02-20 11:00:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:00:09,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 11:00:09,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 968 states, 968 states have (on average 4.207644628099174) internal successors, (4073), 968 states have internal predecessors, (4073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 11:00:09,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 585 states. [2022-02-20 11:00:09,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 11:00:09,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-20 11:00:09,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 11:00:09,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:00:14,493 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4622 transitions and produced 3756 states. [2022-02-20 11:00:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2022-02-20 11:00:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 11:00:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 11:00:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 11:00:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-20 11:00:14,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 11:00:14,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:00:14,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 11:00:14,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:00:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash 352255501, now seen corresponding path program 6 times [2022-02-20 11:00:14,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:00:14,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394178985] [2022-02-20 11:00:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:00:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:00:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:00:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 163481 backedges. 87001 proven. 76480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:00:53,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:00:53,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394178985] [2022-02-20 11:00:53,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394178985] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:00:53,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105921332] [2022-02-20 11:00:53,303 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 11:00:53,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:00:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:00:53,304 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) [2022-02-20 11:00:53,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 11:00:54,509 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 242 check-sat command(s) [2022-02-20 11:00:54,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:00:54,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2990 conjuncts, 404 conjunts are in the unsatisfiable core [2022-02-20 11:00:54,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-20 11:01:21,673 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 11:01:21,678 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 11:01:21,679 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 [2022-02-20 11:01:21,679 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 [2022-02-20 11:01:21,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 11:01:21,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:01:21,874 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1696 with TraceHistMax 241,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 590 known predicates. [2022-02-20 11:01:21,875 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 11:01:21,875 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-20 11:01:21,879 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 11:01:21,881 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 11:01:21,881 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 11:01:21,883 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 11:01:21 BasicIcfg [2022-02-20 11:01:21,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 11:01:21,883 INFO L158 Benchmark]: Toolchain (without parser) took 706941.21ms. Allocated memory was 187.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 153.1MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-20 11:01:21,884 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 154.3MB in the beginning and 154.1MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 11:01:21,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.84ms. Allocated memory is still 187.7MB. Free memory was 153.1MB in the beginning and 151.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 11:01:21,884 INFO L158 Benchmark]: Boogie Preprocessor took 10.09ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 958.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 11:01:21,884 INFO L158 Benchmark]: RCFGBuilder took 208.59ms. Allocated memory is still 187.7MB. Free memory was 150.6MB in the beginning and 141.9MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 11:01:21,885 INFO L158 Benchmark]: TraceAbstraction took 706701.08ms. Allocated memory was 187.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 141.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-20 11:01:21,886 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 0.09ms. Allocated memory is still 187.7MB. Free memory was 154.3MB in the beginning and 154.1MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.84ms. Allocated memory is still 187.7MB. Free memory was 153.1MB in the beginning and 151.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.09ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 958.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.59ms. Allocated memory is still 187.7MB. Free memory was 150.6MB in the beginning and 141.9MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 706701.08ms. Allocated memory was 187.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 141.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1696 with TraceHistMax 241,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 590 known predicates. - TimeoutResultAtElement [Line: 43]: 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 1696 with TraceHistMax 241,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 590 known predicates. - TimeoutResultAtElement [Line: 43]: 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 1696 with TraceHistMax 241,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 590 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 706.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 116.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 677, 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: 0.4s SsaConstructionTime, 16.9s SatisfiabilityAnalysisTime, 503.8s InterpolantComputationTime, 14874 NumberOfCodeBlocks, 14874 NumberOfCodeBlocksAsserted, 493 NumberOfCheckSat, 22296 ConstructedInterpolants, 0 QuantifiedInterpolants, 118388 SizeOfPredicates, 20 NumberOfNonLiveVariables, 13147 ConjunctsInSsa, 1554 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 1173901/1998840 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