/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 02:39:54,164 INFO L177 SettingsManager]: Resetting all preferences to default values...
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[2022-02-09 02:39:54,272 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-FA-NoLbe.epf
[2022-02-09 02:39:54,293 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 02:39:54,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 02:39:54,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 02:39:54,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 02:39:54,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 02:39:54,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 02:39:54,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 02:39:54,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 02:39:54,294 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 02:39:54,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 02:39:54,294 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 02:39:54,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 02:39:54,295 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 02:39:54,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 02:39:54,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 02:39:54,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 02:39:54,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 02:39:54,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 02:39:54,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 02:39:54,303 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 02:39:54,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 02:39:54,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 02:39:54,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 02:39:54,538 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 02:39:54,539 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 02:39:54,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl
[2022-02-09 02:39:54,540 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/collitem-subst.wvr.bpl'
[2022-02-09 02:39:54,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 02:39:54,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 02:39:54,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 02:39:54,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 02:39:54,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 02:39:54,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,582 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 02:39:54,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 02:39:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 02:39:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 02:39:54,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 02:39:54,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 02:39:54,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 02:39:54,598 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 02:39:54,599 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 02:39:54,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/1) ...
[2022-02-09 02:39:54,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 02:39:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 02:39:54,649 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)
[2022-02-09 02:39:54,688 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
[2022-02-09 02:39:54,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-09 02:39:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-09 02:39:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-09 02:39:54,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-09 02:39:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-09 02:39:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-09 02:39:54,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-09 02:39:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 02:39:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 02:39:54,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-09 02:39:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-09 02:39:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-09 02:39:54,704 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 02:39:54,745 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 02:39:54,746 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 02:39:54,822 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 02:39:54,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 02:39:54,855 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 02:39:54,857 INFO L202 PluginConnector]: Adding new model collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:39:54 BoogieIcfgContainer
[2022-02-09 02:39:54,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 02:39:54,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 02:39:54,879 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 02:39:54,883 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 02:39:54,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:39:54" (1/2) ...
[2022-02-09 02:39:54,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225c6091 and model type collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 02:39:54, skipping insertion in model container
[2022-02-09 02:39:54,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:39:54" (2/2) ...
[2022-02-09 02:39:54,885 INFO L111 eAbstractionObserver]: Analyzing ICFG collitem-subst.wvr.bpl
[2022-02-09 02:39:54,889 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 02:39:54,889 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 02:39:54,889 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 02:39:54,889 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 02:39:54,939 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-09 02:39:54,978 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 02:39:54,983 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-09 02:39:54,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-09 02:39:54,992 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 19 transitions, 62 flow
[2022-02-09 02:39:55,009 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 55 states, 54 states have (on average 2.037037037037037) internal successors, (110), 54 states have internal predecessors, (110), 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)
[2022-02-09 02:39:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 54 states have (on average 2.037037037037037) internal successors, (110), 54 states have internal predecessors, (110), 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)
[2022-02-09 02:39:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:39:55,039 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:39:55,040 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:39:55,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:39:55,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:39:55,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1365396983, now seen corresponding path program 1 times
[2022-02-09 02:39:55,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:39:55,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645512413]
[2022-02-09 02:39:55,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:39:55,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:39:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:39:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:39:57,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:39:57,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645512413]
[2022-02-09 02:39:57,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645512413] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:39:57,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:39:57,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:39:57,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509823870]
[2022-02-09 02:39:57,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:39:57,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:39:57,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:39:57,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:39:57,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:39:57,622 INFO L87 Difference]: Start difference. First operand has 55 states, 54 states have (on average 2.037037037037037) internal successors, (110), 54 states have internal predecessors, (110), 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) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:39:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:39:58,024 INFO L93 Difference]: Finished difference Result 98 states and 183 transitions.
[2022-02-09 02:39:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:39:58,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:39:58,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:39:58,033 INFO L225 Difference]: With dead ends: 98
[2022-02-09 02:39:58,033 INFO L226 Difference]: Without dead ends: 72
[2022-02-09 02:39:58,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:39:58,038 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-09 02:39:58,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 26 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-09 02:39:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2022-02-09 02:39:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55.
[2022-02-09 02:39:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.9444444444444444) internal successors, (105), 54 states have internal predecessors, (105), 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)
[2022-02-09 02:39:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 105 transitions.
[2022-02-09 02:39:58,066 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 105 transitions. Word has length 14
[2022-02-09 02:39:58,067 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:39:58,067 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 105 transitions.
[2022-02-09 02:39:58,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:39:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions.
[2022-02-09 02:39:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:39:58,068 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:39:58,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:39:58,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 02:39:58,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:39:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:39:58,069 INFO L85 PathProgramCache]: Analyzing trace with hash -39433207, now seen corresponding path program 2 times
[2022-02-09 02:39:58,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:39:58,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684996061]
[2022-02-09 02:39:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:39:58,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:39:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:40:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:40:00,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:40:00,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684996061]
[2022-02-09 02:40:00,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684996061] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:40:00,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:40:00,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:40:00,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914980401]
[2022-02-09 02:40:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:40:00,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:40:00,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:40:00,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:40:00,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:40:00,092 INFO L87 Difference]: Start difference. First operand 55 states and 105 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:40:00,465 INFO L93 Difference]: Finished difference Result 93 states and 168 transitions.
[2022-02-09 02:40:00,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:40:00,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:40:00,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:40:00,486 INFO L225 Difference]: With dead ends: 93
[2022-02-09 02:40:00,486 INFO L226 Difference]: Without dead ends: 65
[2022-02-09 02:40:00,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:40:00,487 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-09 02:40:00,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 26 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-09 02:40:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2022-02-09 02:40:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 48.
[2022-02-09 02:40:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.9361702127659575) internal successors, (91), 47 states have internal predecessors, (91), 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)
[2022-02-09 02:40:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 91 transitions.
[2022-02-09 02:40:00,492 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 91 transitions. Word has length 14
[2022-02-09 02:40:00,492 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:40:00,492 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 91 transitions.
[2022-02-09 02:40:00,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 91 transitions.
[2022-02-09 02:40:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:40:00,493 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:40:00,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:40:00,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 02:40:00,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:40:00,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:40:00,494 INFO L85 PathProgramCache]: Analyzing trace with hash -392767479, now seen corresponding path program 3 times
[2022-02-09 02:40:00,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:40:00,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326083462]
[2022-02-09 02:40:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:40:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:40:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:40:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:40:03,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:40:03,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326083462]
[2022-02-09 02:40:03,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326083462] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:40:03,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:40:03,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:40:03,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984801400]
[2022-02-09 02:40:03,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:40:03,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:40:03,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:40:03,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:40:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:40:03,811 INFO L87 Difference]: Start difference. First operand 48 states and 91 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:40:04,082 INFO L93 Difference]: Finished difference Result 80 states and 141 transitions.
[2022-02-09 02:40:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:40:04,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:40:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:40:04,084 INFO L225 Difference]: With dead ends: 80
[2022-02-09 02:40:04,084 INFO L226 Difference]: Without dead ends: 54
[2022-02-09 02:40:04,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:40:04,085 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 29 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 02:40:04,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 24 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 02:40:04,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2022-02-09 02:40:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 37.
[2022-02-09 02:40:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 36 states have internal predecessors, (64), 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)
[2022-02-09 02:40:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 64 transitions.
[2022-02-09 02:40:04,090 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 64 transitions. Word has length 14
[2022-02-09 02:40:04,090 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:40:04,090 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 64 transitions.
[2022-02-09 02:40:04,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions.
[2022-02-09 02:40:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:40:04,091 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:40:04,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:40:04,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-09 02:40:04,091 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:40:04,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:40:04,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1324864725, now seen corresponding path program 4 times
[2022-02-09 02:40:04,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:40:04,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906040827]
[2022-02-09 02:40:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:40:04,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:40:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:40:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:40:06,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:40:06,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906040827]
[2022-02-09 02:40:06,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906040827] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:40:06,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:40:06,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:40:06,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263220043]
[2022-02-09 02:40:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:40:06,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:40:06,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:40:06,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:40:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:40:06,331 INFO L87 Difference]: Start difference. First operand 37 states and 64 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:40:06,542 INFO L93 Difference]: Finished difference Result 56 states and 96 transitions.
[2022-02-09 02:40:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:40:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:40:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:40:06,544 INFO L225 Difference]: With dead ends: 56
[2022-02-09 02:40:06,544 INFO L226 Difference]: Without dead ends: 33
[2022-02-09 02:40:06,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:40:06,551 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 02:40:06,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 02:40:06,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2022-02-09 02:40:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2022-02-09 02:40:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.75) internal successors, (56), 32 states have internal predecessors, (56), 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)
[2022-02-09 02:40:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 56 transitions.
[2022-02-09 02:40:06,555 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 56 transitions. Word has length 14
[2022-02-09 02:40:06,555 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:40:06,555 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 56 transitions.
[2022-02-09 02:40:06,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions.
[2022-02-09 02:40:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:40:06,555 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:40:06,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:40:06,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-09 02:40:06,556 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:40:06,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:40:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2000333525, now seen corresponding path program 5 times
[2022-02-09 02:40:06,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:40:06,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405051183]
[2022-02-09 02:40:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:40:06,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:40:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:40:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:40:11,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:40:11,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405051183]
[2022-02-09 02:40:11,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405051183] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:40:11,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:40:11,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:40:11,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552991905]
[2022-02-09 02:40:11,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:40:11,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:40:11,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:40:11,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:40:11,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:40:11,782 INFO L87 Difference]: Start difference. First operand 33 states and 56 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:40:12,004 INFO L93 Difference]: Finished difference Result 48 states and 80 transitions.
[2022-02-09 02:40:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:40:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:40:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:40:12,005 INFO L225 Difference]: With dead ends: 48
[2022-02-09 02:40:12,005 INFO L226 Difference]: Without dead ends: 27
[2022-02-09 02:40:12,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:40:12,005 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 24 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 02:40:12,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 16 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 02:40:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2022-02-09 02:40:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2022-02-09 02:40:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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)
[2022-02-09 02:40:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 41 transitions.
[2022-02-09 02:40:12,011 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 41 transitions. Word has length 14
[2022-02-09 02:40:12,011 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:40:12,011 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 41 transitions.
[2022-02-09 02:40:12,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions.
[2022-02-09 02:40:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-09 02:40:12,012 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 02:40:12,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 02:40:12,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-09 02:40:12,013 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 02:40:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 02:40:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1966250889, now seen corresponding path program 6 times
[2022-02-09 02:40:12,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 02:40:12,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383098331]
[2022-02-09 02:40:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 02:40:12,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 02:40:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 02:40:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 02:40:19,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 02:40:19,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383098331]
[2022-02-09 02:40:19,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383098331] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 02:40:19,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 02:40:19,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 02:40:19,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978519944]
[2022-02-09 02:40:19,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 02:40:19,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 02:40:19,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 02:40:19,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 02:40:19,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 02:40:19,636 INFO L87 Difference]: Start difference. First operand 27 states and 41 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:19,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 02:40:19,966 INFO L93 Difference]: Finished difference Result 25 states and 39 transitions.
[2022-02-09 02:40:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-09 02:40:19,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) Word has length 14
[2022-02-09 02:40:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 02:40:19,968 INFO L225 Difference]: With dead ends: 25
[2022-02-09 02:40:19,968 INFO L226 Difference]: Without dead ends: 0
[2022-02-09 02:40:19,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-02-09 02:40:19,971 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 02:40:19,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 10 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 02:40:19,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-09 02:40:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-09 02:40:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-02-09 02:40:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-09 02:40:19,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2022-02-09 02:40:19,981 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 02:40:19,981 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-09 02:40:19,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2022-02-09 02:40:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-09 02:40:19,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-09 02:40:19,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-09 02:40:19,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-09 02:40:19,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-09 02:40:19,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-09 02:40:19,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-09 02:40:19,994 INFO L732 BasicCegarLoop]: Path program histogram: [6]
[2022-02-09 02:40:19,995 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 02:40:19,995 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 02:40:19,997 INFO L202 PluginConnector]: Adding new model collitem-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 02:40:19 BasicIcfg
[2022-02-09 02:40:19,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 02:40:19,998 INFO L158 Benchmark]: Toolchain (without parser) took 25437.54ms. Allocated memory was 178.3MB in the beginning and 721.4MB in the end (delta: 543.2MB). Free memory was 142.9MB in the beginning and 451.5MB in the end (delta: -308.7MB). Peak memory consumption was 235.5MB. Max. memory is 8.0GB.
[2022-02-09 02:40:19,999 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 02:40:19,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.30ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 141.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 02:40:19,999 INFO L158 Benchmark]: Boogie Preprocessor took 10.57ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 140.3MB in the end (delta: 913.0kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 02:40:20,000 INFO L158 Benchmark]: RCFGBuilder took 258.37ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 129.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-09 02:40:20,000 INFO L158 Benchmark]: TraceAbstraction took 25118.76ms. Allocated memory was 178.3MB in the beginning and 721.4MB in the end (delta: 543.2MB). Free memory was 128.6MB in the beginning and 451.5MB in the end (delta: -322.9MB). Peak memory consumption was 220.9MB. Max. memory is 8.0GB.
[2022-02-09 02:40:20,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 22.30ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 141.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 10.57ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 140.3MB in the end (delta: 913.0kB). There was no memory consumed. Max. memory is 8.0GB.
* RCFGBuilder took 258.37ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 129.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 25118.76ms. Allocated memory was 178.3MB in the beginning and 721.4MB in the end (delta: 543.2MB). Free memory was 128.6MB in the beginning and 451.5MB in the end (delta: -322.9MB). Peak memory consumption was 220.9MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 68]: 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 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 52 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 5098 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-09 02:40:20,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...