/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-28 14:27:33,681 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-04-28 14:27:33,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-28 14:27:33,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-04-28 14:27:33,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-28 14:27:33,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-28 14:27:33,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-28 14:27:33,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-28 14:27:33,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-28 14:27:33,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-28 14:27:33,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-28 14:27:33,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-04-28 14:27:33,808 INFO L153 SettingsManager]: * Use SBE=true
[2024-04-28 14:27:33,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-28 14:27:33,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-04-28 14:27:33,810 INFO L153 SettingsManager]: * sizeof long=4
[2024-04-28 14:27:33,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-04-28 14:27:33,810 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-04-28 14:27:33,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-04-28 14:27:33,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-04-28 14:27:33,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-28 14:27:33,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-04-28 14:27:33,813 INFO L153 SettingsManager]: * sizeof long double=12
[2024-04-28 14:27:33,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-04-28 14:27:33,813 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-04-28 14:27:33,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-28 14:27:33,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-04-28 14:27:33,814 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-04-28 14:27:33,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-04-28 14:27:33,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:27:33,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-28 14:27:33,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-04-28 14:27:33,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-28 14:27:33,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-28 14:27:33,816 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-28 14:27:33,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-28 14:27:33,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-04-28 14:27:33,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-28 14:27:33,817 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-28 14:27:33,817 INFO L153 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/UGemCutter-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-04-28 14:27:34,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-28 14:27:34,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-28 14:27:34,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-28 14:27:34,121 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-28 14:27:34,121 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-28 14:27:34,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl
[2024-04-28 14:27:34,123 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl'
[2024-04-28 14:27:34,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-28 14:27:34,160 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-28 14:27:34,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-28 14:27:34,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-28 14:27:34,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-28 14:27:34,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,185 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-28 14:27:34,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-28 14:27:34,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-28 14:27:34,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-28 14:27:34,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-04-28 14:27:34,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-28 14:27:34,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-28 14:27:34,207 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-04-28 14:27:34,207 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-04-28 14:27:34,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/1) ...
[2024-04-28 14:27:34,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:27:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:34,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-04-28 14:27:34,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-04-28 14:27:34,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-28 14:27:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-04-28 14:27:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-28 14:27:34,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-28 14:27:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-04-28 14:27:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-28 14:27:34,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-28 14:27:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-28 14:27:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-28 14:27:34,292 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-28 14:27:34,343 INFO L241 CfgBuilder]: Building ICFG
[2024-04-28 14:27:34,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-28 14:27:34,463 INFO L282 CfgBuilder]: Performing block encoding
[2024-04-28 14:27:34,485 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-28 14:27:34,485 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-28 14:27:34,487 INFO L201 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:27:34 BoogieIcfgContainer
[2024-04-28 14:27:34,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-28 14:27:34,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-28 14:27:34,489 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-04-28 14:27:34,492 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-04-28 14:27:34,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:27:34" (1/2) ...
[2024-04-28 14:27:34,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dea79d7 and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:27:34, skipping insertion in model container
[2024-04-28 14:27:34,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:27:34" (2/2) ...
[2024-04-28 14:27:34,495 INFO L112 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl
[2024-04-28 14:27:34,502 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-28 14:27:34,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-28 14:27:34,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-28 14:27:34,511 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-28 14:27:34,558 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-04-28 14:27:34,593 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-28 14:27:34,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-28 14:27:34,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:34,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-04-28 14:27:34,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-04-28 14:27:34,647 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-28 14:27:34,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:34,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-28 14:27:34,670 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=LoopHeads, 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;@6f144de5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false
[2024-04-28 14:27:34,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-04-28 14:27:34,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:34,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:34,698 INFO L85 PathProgramCache]: Analyzing trace with hash -480927146, now seen corresponding path program 1 times
[2024-04-28 14:27:34,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:34,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655615054]
[2024-04-28 14:27:34,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:34,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:34,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:34,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655615054]
[2024-04-28 14:27:34,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655615054] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:27:34,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:27:34,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-28 14:27:34,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112929586]
[2024-04-28 14:27:34,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:27:34,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 14:27:34,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:34,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:27:34,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:27:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:34,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:34,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-04-28 14:27:34,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:34,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-28 14:27:34,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:34,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:34,896 INFO L85 PathProgramCache]: Analyzing trace with hash -614845677, now seen corresponding path program 1 times
[2024-04-28 14:27:34,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:34,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423429316]
[2024-04-28 14:27:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:34,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:34,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423429316]
[2024-04-28 14:27:34,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423429316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:27:34,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:27:34,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-28 14:27:34,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614847690]
[2024-04-28 14:27:34,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:27:34,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 14:27:34,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:34,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:27:34,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:27:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:34,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:34,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 14:27:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-28 14:27:35,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:35,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash 663509181, now seen corresponding path program 1 times
[2024-04-28 14:27:35,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:35,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567686618]
[2024-04-28 14:27:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:35,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:35,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:35,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567686618]
[2024-04-28 14:27:35,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567686618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:27:35,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:27:35,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-28 14:27:35,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23541343]
[2024-04-28 14:27:35,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:27:35,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 14:27:35,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:35,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:27:35,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:27:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:35,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:35,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 14:27:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:35,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-04-28 14:27:35,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:35,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:35,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1491712860, now seen corresponding path program 1 times
[2024-04-28 14:27:35,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:35,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871404091]
[2024-04-28 14:27:35,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:35,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:35,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871404091]
[2024-04-28 14:27:35,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871404091] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:27:35,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139002754]
[2024-04-28 14:27:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:35,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:35,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:35,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-28 14:27:35,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-28 14:27:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:35,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 19 conjunts are in the unsatisfiable core
[2024-04-28 14:27:35,682 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:27:35,889 INFO L378 Elim1Store]: Elim1 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 17 treesize of output 9
[2024-04-28 14:27:35,951 INFO L378 Elim1Store]: Elim1 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 20 treesize of output 14
[2024-04-28 14:27:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:36,021 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:27:36,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:36,287 INFO L378 Elim1Store]: Elim1 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 37 treesize of output 37
[2024-04-28 14:27:36,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:36,389 INFO L378 Elim1Store]: Elim1 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 35 treesize of output 37
[2024-04-28 14:27:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139002754] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:27:36,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:27:36,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26
[2024-04-28 14:27:36,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034629274]
[2024-04-28 14:27:36,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:27:36,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-04-28 14:27:36,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:36,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-04-28 14:27:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702
[2024-04-28 14:27:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:36,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:36,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 26 states have internal predecessors, (46), 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)
[2024-04-28 14:27:36,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:36,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:36,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:36,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:37,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-28 14:27:37,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:37,305 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:37,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash -946972391, now seen corresponding path program 2 times
[2024-04-28 14:27:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:37,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357171251]
[2024-04-28 14:27:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:37,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:37,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357171251]
[2024-04-28 14:27:37,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357171251] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:27:37,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499990435]
[2024-04-28 14:27:37,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 14:27:37,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:37,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:37,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-28 14:27:37,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-28 14:27:37,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 14:27:37,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:27:37,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-28 14:27:37,424 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:27:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:27:37,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-28 14:27:37,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499990435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:27:37,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-28 14:27:37,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-28 14:27:37,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277447866]
[2024-04-28 14:27:37,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:27:37,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 14:27:37,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:37,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 14:27:37,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-04-28 14:27:37,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:37,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:37,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-04-28 14:27:37,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:37,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:37,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-28 14:27:37,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:37,710 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:37,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash 331382467, now seen corresponding path program 3 times
[2024-04-28 14:27:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:37,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241370601]
[2024-04-28 14:27:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:37,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:27:37,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241370601]
[2024-04-28 14:27:37,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241370601] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:27:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497003052]
[2024-04-28 14:27:37,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-28 14:27:37,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:37,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:37,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-28 14:27:37,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-28 14:27:37,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-28 14:27:37,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:27:37,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-28 14:27:37,838 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:27:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-28 14:27:37,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-28 14:27:37,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497003052] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:27:37,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-28 14:27:37,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-28 14:27:37,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019762924]
[2024-04-28 14:27:37,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:27:37,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 14:27:37,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:37,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 14:27:37,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-04-28 14:27:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:37,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:37,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:37,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-28 14:27:38,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:38,097 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:38,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash 586116706, now seen corresponding path program 4 times
[2024-04-28 14:27:38,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:38,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924080436]
[2024-04-28 14:27:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:38,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:27:38,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:38,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924080436]
[2024-04-28 14:27:38,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924080436] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:27:38,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772034082]
[2024-04-28 14:27:38,662 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-28 14:27:38,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:38,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:38,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-28 14:27:38,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-28 14:27:38,709 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-28 14:27:38,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:27:38,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core
[2024-04-28 14:27:38,713 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:27:38,875 INFO L378 Elim1Store]: Elim1 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 13 treesize of output 9
[2024-04-28 14:27:38,885 INFO L378 Elim1Store]: Elim1 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 13 treesize of output 9
[2024-04-28 14:27:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:27:38,943 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:27:39,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:39,182 INFO L378 Elim1Store]: Elim1 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 33 treesize of output 35
[2024-04-28 14:27:39,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:39,282 INFO L378 Elim1Store]: Elim1 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 25 treesize of output 27
[2024-04-28 14:27:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:27:39,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772034082] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:27:39,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:27:39,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 32
[2024-04-28 14:27:39,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289689385]
[2024-04-28 14:27:39,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:27:39,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2024-04-28 14:27:39,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2024-04-28 14:27:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=925, Unknown=0, NotChecked=0, Total=1056
[2024-04-28 14:27:39,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:39,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:39,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 32 states have internal predecessors, (58), 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)
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:39,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:40,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:40,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-04-28 14:27:40,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-04-28 14:27:40,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-04-28 14:27:40,332 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:27:40,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:27:40,333 INFO L85 PathProgramCache]: Analyzing trace with hash 95164914, now seen corresponding path program 5 times
[2024-04-28 14:27:40,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:27:40,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385359035]
[2024-04-28 14:27:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:27:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:27:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:27:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-28 14:27:40,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:27:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385359035]
[2024-04-28 14:27:40,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385359035] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:27:40,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947897083]
[2024-04-28 14:27:40,832 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-28 14:27:40,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:27:40,833 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-28 14:27:40,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-28 14:27:40,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-04-28 14:27:40,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:27:40,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 38 conjunts are in the unsatisfiable core
[2024-04-28 14:27:40,888 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:27:41,033 INFO L378 Elim1Store]: Elim1 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 13 treesize of output 9
[2024-04-28 14:27:41,043 INFO L378 Elim1Store]: Elim1 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 13 treesize of output 9
[2024-04-28 14:27:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-28 14:27:41,099 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:27:41,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:41,339 INFO L378 Elim1Store]: Elim1 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 33 treesize of output 35
[2024-04-28 14:27:41,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:27:41,478 INFO L378 Elim1Store]: Elim1 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 29
[2024-04-28 14:27:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-28 14:27:41,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947897083] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:27:41,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:27:41,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 37
[2024-04-28 14:27:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325569355]
[2024-04-28 14:27:41,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:27:41,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2024-04-28 14:27:41,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:27:41,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2024-04-28 14:27:41,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1252, Unknown=0, NotChecked=0, Total=1406
[2024-04-28 14:27:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:41,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:27:41,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.0526315789473686) internal successors, (78), 37 states have internal predecessors, (78), 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)
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:41,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states.
[2024-04-28 14:27:41,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 14:27:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2024-04-28 14:27:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-04-28 14:27:43,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining)
[2024-04-28 14:27:43,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-04-28 14:27:43,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-04-28 14:27:43,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-04-28 14:27:43,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:27:43,356 INFO L448 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1]
[2024-04-28 14:27:43,359 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-04-28 14:27:43,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2024-04-28 14:27:43,361 INFO L201 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 02:27:43 BasicIcfg
[2024-04-28 14:27:43,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-04-28 14:27:43,362 INFO L158 Benchmark]: Toolchain (without parser) took 9202.15ms. Allocated memory was 165.7MB in the beginning and 394.3MB in the end (delta: 228.6MB). Free memory was 134.1MB in the beginning and 249.5MB in the end (delta: -115.4MB). Peak memory consumption was 113.7MB. Max. memory is 8.0GB.
[2024-04-28 14:27:43,362 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-28 14:27:43,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.38ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-04-28 14:27:43,362 INFO L158 Benchmark]: Boogie Preprocessor took 18.46ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 14:27:43,362 INFO L158 Benchmark]: RCFGBuilder took 279.78ms. Allocated memory is still 165.7MB. Free memory was 131.3MB in the beginning and 120.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2024-04-28 14:27:43,363 INFO L158 Benchmark]: TraceAbstraction took 8872.24ms. Allocated memory was 165.7MB in the beginning and 394.3MB in the end (delta: 228.6MB). Free memory was 119.6MB in the beginning and 249.5MB in the end (delta: -129.9MB). Peak memory consumption was 99.1MB. Max. memory is 8.0GB.
[2024-04-28 14:27:43,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 25.38ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 18.46ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 279.78ms. Allocated memory is still 165.7MB. Free memory was 131.3MB in the beginning and 120.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 8872.24ms. Allocated memory was 165.7MB in the beginning and 394.3MB in the end (delta: 228.6MB). Free memory was 119.6MB in the beginning and 249.5MB in the end (delta: -129.9MB). Peak memory consumption was 99.1MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1022, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 303, dependent conditional: 284, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 322, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 96, dependent conditional: 46, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 804, independent: 635, independent conditional: 245, independent unconditional: 390, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 67, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 322, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 96, dependent conditional: 46, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 804, independent: 635, independent conditional: 245, independent unconditional: 390, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 67 ], Independence queries for same thread: 290
- PositiveResult [Line: 62]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.0s, 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: 91, 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, 4.1s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 2928 SizeOfPredicates, 29 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 77/240 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-04-28 14:27:43,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-04-28 14:27:43,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...