/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99
[2021-07-10 04:23:10,473 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-07-10 04:23:10,576 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf
[2021-07-10 04:23:10,604 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-07-10 04:23:10,604 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-07-10 04:23:10,605 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-07-10 04:23:10,605 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-07-10 04:23:10,607 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-07-10 04:23:10,607 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-07-10 04:23:10,607 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-07-10 04:23:10,607 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-07-10 04:23:10,607 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-07-10 04:23:10,607 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-07-10 04:23:10,608 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-07-10 04:23:10,608 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-07-10 04:23:10,608 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-07-10 04:23:10,608 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-07-10 04:23:10,609 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-07-10 04:23:10,609 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-10 04:23:10,610 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-07-10 04:23:10,610 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-07-10 04:23:10,611 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS
[2021-07-10 04:23:10,611 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-07-10 04:23:10,874 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-07-10 04:23:10,903 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-07-10 04:23:10,905 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-07-10 04:23:10,906 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-07-10 04:23:10,906 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-07-10 04:23:10,907 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl
[2021-07-10 04:23:10,907 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl'
[2021-07-10 04:23:10,926 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-07-10 04:23:10,927 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-07-10 04:23:10,928 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-07-10 04:23:10,928 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-07-10 04:23:10,928 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-07-10 04:23:10,936 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,942 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,947 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-07-10 04:23:10,948 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-07-10 04:23:10,948 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-07-10 04:23:10,949 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-07-10 04:23:10,953 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,953 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,954 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,955 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,957 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,959 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,959 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
[2021-07-10 04:23:10,960 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-07-10 04:23:10,963 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-07-10 04:23:10,963 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-07-10 04:23:10,963 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-07-10 04:23:10,964 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-07-10 04:23:11,033 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2021-07-10 04:23:11,033 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-07-10 04:23:11,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-07-10 04:23:11,033 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2021-07-10 04:23:11,033 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-07-10 04:23:11,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-07-10 04:23:11,034 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-07-10 04:23:11,034 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-07-10 04:23:11,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-07-10 04:23:11,034 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-07-10 04:23:11,235 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-07-10 04:23:11,235 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-07-10 04:23:11,236 INFO  L202        PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:23:11 BoogieIcfgContainer
[2021-07-10 04:23:11,237 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-07-10 04:23:11,238 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-07-10 04:23:11,238 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-07-10 04:23:11,239 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-07-10 04:23:11,240 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:23:10" (1/2) ...
[2021-07-10 04:23:11,240 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2604be and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 04:23:11, skipping insertion in model container
[2021-07-10 04:23:11,240 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:23:11" (2/2) ...
[2021-07-10 04:23:11,241 INFO  L111   eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl
[2021-07-10 04:23:11,244 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-07-10 04:23:11,245 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-07-10 04:23:11,245 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-07-10 04:23:11,245 INFO  L474   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-07-10 04:23:11,304 INFO  L149    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-07-10 04:23:11,319 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-07-10 04:23:11,418 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-07-10 04:23:11,418 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-07-10 04:23:11,419 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-07-10 04:23:11,419 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-07-10 04:23:11,419 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-07-10 04:23:11,419 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-07-10 04:23:11,419 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-07-10 04:23:11,419 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-07-10 04:23:11,543 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:11,546 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:11,546 INFO  L82        PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 1 times
[2021-07-10 04:23:11,552 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:11,552 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085342979]
[2021-07-10 04:23:11,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:11,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:11,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:11,760 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:11,760 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085342979]
[2021-07-10 04:23:11,761 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085342979] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:11,761 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904946823]
[2021-07-10 04:23:11,761 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:11,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:11,802 INFO  L263         TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-07-10 04:23:11,805 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:11,908 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2021-07-10 04:23:11,910 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:11,913 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:11,914 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:11,914 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7
[2021-07-10 04:23:11,931 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2021-07-10 04:23:11,933 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:11,936 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:11,936 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:11,937 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5
[2021-07-10 04:23:11,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:11,953 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [904946823] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:11,953 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:11,953 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11
[2021-07-10 04:23:11,954 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477672739]
[2021-07-10 04:23:11,958 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-07-10 04:23:11,958 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:11,965 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-07-10 04:23:11,965 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2021-07-10 04:23:11,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:11,966 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:11,967 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-10 04:23:11,968 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:12,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:12,305 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2021-07-10 04:23:12,305 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:12,307 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:12,307 INFO  L82        PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 2 times
[2021-07-10 04:23:12,308 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:12,308 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305444143]
[2021-07-10 04:23:12,308 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:12,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:12,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:12,633 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:12,633 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305444143]
[2021-07-10 04:23:12,633 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305444143] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:12,633 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936380372]
[2021-07-10 04:23:12,633 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:12,664 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-07-10 04:23:12,664 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-07-10 04:23:12,664 INFO  L263         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-07-10 04:23:12,666 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:12,841 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:12,841 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27
[2021-07-10 04:23:12,850 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:12,854 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:12,855 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:12,855 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16
[2021-07-10 04:23:13,052 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:13,052 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38
[2021-07-10 04:23:13,083 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 2 xjuncts.
[2021-07-10 04:23:13,093 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:13,098 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:13,098 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21
[2021-07-10 04:23:13,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:13,174 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [936380372] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:13,174 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:13,175 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27
[2021-07-10 04:23:13,175 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123510737]
[2021-07-10 04:23:13,175 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 28 states
[2021-07-10 04:23:13,175 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:13,176 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2021-07-10 04:23:13,176 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756
[2021-07-10 04:23:13,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:13,177 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:13,177 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-10 04:23:13,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:13,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:14,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:14,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:14,781 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:14,781 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:14,782 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:14,782 INFO  L82        PathProgramCache]: Analyzing trace with hash -1644416808, now seen corresponding path program 3 times
[2021-07-10 04:23:14,782 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:14,782 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600487232]
[2021-07-10 04:23:14,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:14,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:14,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2021-07-10 04:23:14,805 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:14,805 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600487232]
[2021-07-10 04:23:14,805 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600487232] provided 1 perfect and 0 imperfect interpolant sequences
[2021-07-10 04:23:14,805 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-07-10 04:23:14,806 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-07-10 04:23:14,806 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426951176]
[2021-07-10 04:23:14,806 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-07-10 04:23:14,806 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:14,806 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-07-10 04:23:14,806 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-07-10 04:23:14,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:14,807 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:14,807 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-10 04:23:14,807 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:14,807 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:14,807 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:14,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:14,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:14,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:14,819 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-07-10 04:23:14,819 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:14,820 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:14,820 INFO  L82        PathProgramCache]: Analyzing trace with hash -239415192, now seen corresponding path program 4 times
[2021-07-10 04:23:14,820 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:14,820 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097720817]
[2021-07-10 04:23:14,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:14,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:14,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-07-10 04:23:14,868 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:14,868 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097720817]
[2021-07-10 04:23:14,868 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097720817] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:14,868 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119891841]
[2021-07-10 04:23:14,868 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:14,912 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-07-10 04:23:14,912 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-07-10 04:23:14,913 INFO  L263         TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-07-10 04:23:14,914 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:14,988 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-07-10 04:23:14,988 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119891841] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:14,988 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:14,988 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2021-07-10 04:23:14,988 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446356693]
[2021-07-10 04:23:14,990 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-07-10 04:23:14,990 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:14,990 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-07-10 04:23:14,990 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-07-10 04:23:14,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:14,990 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:14,990 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-10 04:23:14,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:14,991 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:14,991 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:14,991 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:15,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:15,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:15,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:15,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:15,234 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:15,234 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:15,234 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:15,234 INFO  L82        PathProgramCache]: Analyzing trace with hash 856789204, now seen corresponding path program 1 times
[2021-07-10 04:23:15,234 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:15,234 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768329634]
[2021-07-10 04:23:15,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:15,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:15,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-07-10 04:23:15,716 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:15,716 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768329634]
[2021-07-10 04:23:15,716 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768329634] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:15,716 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661795553]
[2021-07-10 04:23:15,716 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:15,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:15,771 INFO  L263         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 47 conjunts are in the unsatisfiable core
[2021-07-10 04:23:15,772 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:16,541 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:16,542 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 86
[2021-07-10 04:23:16,557 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:16,644 INFO  L628         ElimStorePlain]: treesize reduction 75, result has 66.5 percent of original size
[2021-07-10 04:23:16,674 INFO  L550         ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2021-07-10 04:23:16,675 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:76, output treesize:76
[2021-07-10 04:23:17,247 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,248 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,249 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,250 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,250 INFO  L173   IndexEqualityManager]: detected equality via solver
[2021-07-10 04:23:17,251 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,252 INFO  L173   IndexEqualityManager]: detected equality via solver
[2021-07-10 04:23:17,253 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,254 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:17,254 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16
[2021-07-10 04:23:17,256 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:17,262 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:17,263 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:17,263 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:57, output treesize:5
[2021-07-10 04:23:17,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 4 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:17,277 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661795553] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:17,277 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:17,277 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 48
[2021-07-10 04:23:17,277 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543302043]
[2021-07-10 04:23:17,278 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 49 states
[2021-07-10 04:23:17,278 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:17,278 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2021-07-10 04:23:17,279 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2069, Unknown=0, NotChecked=0, Total=2352
[2021-07-10 04:23:17,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:17,279 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:17,279 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 49 states, 49 states have (on average 1.8571428571428572) internal successors, (91), 48 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)
[2021-07-10 04:23:17,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:17,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-07-10 04:23:17,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:17,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:17,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:19,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:19,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-07-10 04:23:19,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:19,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:19,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-07-10 04:23:19,792 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2021-07-10 04:23:19,793 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:19,793 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:19,793 INFO  L82        PathProgramCache]: Analyzing trace with hash 1096314452, now seen corresponding path program 2 times
[2021-07-10 04:23:19,793 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:19,793 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754550510]
[2021-07-10 04:23:19,793 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:19,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:20,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2021-07-10 04:23:20,202 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:20,202 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754550510]
[2021-07-10 04:23:20,202 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754550510] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:20,202 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355418770]
[2021-07-10 04:23:20,202 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:20,234 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-07-10 04:23:20,234 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-07-10 04:23:20,235 INFO  L263         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 47 conjunts are in the unsatisfiable core
[2021-07-10 04:23:20,236 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:21,004 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:21,005 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 86
[2021-07-10 04:23:21,018 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:21,087 INFO  L628         ElimStorePlain]: treesize reduction 92, result has 58.9 percent of original size
[2021-07-10 04:23:21,102 INFO  L550         ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2021-07-10 04:23:21,102 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:76, output treesize:52
[2021-07-10 04:23:21,499 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,500 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,501 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,501 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,502 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,503 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,503 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,504 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,505 INFO  L173   IndexEqualityManager]: detected equality via solver
[2021-07-10 04:23:21,505 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,506 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-07-10 04:23:21,507 INFO  L173   IndexEqualityManager]: detected equality via solver
[2021-07-10 04:23:21,510 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16
[2021-07-10 04:23:21,522 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:21,527 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-07-10 04:23:21,528 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-07-10 04:23:21,528 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:57, output treesize:5
[2021-07-10 04:23:21,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 7 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-07-10 04:23:21,539 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355418770] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:21,539 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:21,539 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 45
[2021-07-10 04:23:21,540 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930661160]
[2021-07-10 04:23:21,541 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 46 states
[2021-07-10 04:23:21,541 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:21,542 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2021-07-10 04:23:21,542 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1827, Unknown=0, NotChecked=0, Total=2070
[2021-07-10 04:23:21,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:21,542 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:21,543 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 46 states, 46 states have (on average 1.891304347826087) internal successors, (87), 45 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-07-10 04:23:21,543 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:23,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:23,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-07-10 04:23:23,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:23,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:23,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-07-10 04:23:23,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2021-07-10 04:23:23,238 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:23,238 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-07-10 04:23:23,238 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-07-10 04:23:23,238 INFO  L82        PathProgramCache]: Analyzing trace with hash 2096591281, now seen corresponding path program 3 times
[2021-07-10 04:23:23,238 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-07-10 04:23:23,238 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740668025]
[2021-07-10 04:23:23,239 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-07-10 04:23:23,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-07-10 04:23:23,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 45 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-07-10 04:23:23,304 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-07-10 04:23:23,305 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740668025]
[2021-07-10 04:23:23,305 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740668025] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:23,305 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462185051]
[2021-07-10 04:23:23,305 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-07-10 04:23:23,342 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2021-07-10 04:23:23,343 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-07-10 04:23:23,343 INFO  L263         TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-07-10 04:23:23,344 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-07-10 04:23:23,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-07-10 04:23:23,424 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [462185051] provided 0 perfect and 1 imperfect interpolant sequences
[2021-07-10 04:23:23,424 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-07-10 04:23:23,424 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6
[2021-07-10 04:23:23,424 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353862272]
[2021-07-10 04:23:23,425 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-07-10 04:23:23,425 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-07-10 04:23:23,425 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-07-10 04:23:23,425 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-07-10 04:23:23,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:23,425 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-07-10 04:23:23,425 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 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)
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2021-07-10 04:23:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-07-10 04:23:23,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-07-10 04:23:23,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-07-10 04:23:23,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-07-10 04:23:23,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:23,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-07-10 04:23:23,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-07-10 04:23:23,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-07-10 04:23:23,877 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47
[2021-07-10 04:23:23,883 INFO  L247   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-07-10 04:23:23,884 INFO  L202        PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 04:23:23 BasicIcfg
[2021-07-10 04:23:23,884 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-07-10 04:23:23,884 INFO  L168              Benchmark]: Toolchain (without parser) took 12957.08 ms. Allocated memory was 255.9 MB in the beginning and 482.3 MB in the end (delta: 226.5 MB). Free memory was 235.8 MB in the beginning and 352.2 MB in the end (delta: -116.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,884 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,884 INFO  L168              Benchmark]: Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 255.9 MB. Free memory was 235.8 MB in the beginning and 234.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,884 INFO  L168              Benchmark]: Boogie Preprocessor took 13.06 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.5 MB in the end (delta: 815.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,885 INFO  L168              Benchmark]: RCFGBuilder took 274.06 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 220.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,885 INFO  L168              Benchmark]: TraceAbstraction took 12646.31 ms. Allocated memory was 255.9 MB in the beginning and 482.3 MB in the end (delta: 226.5 MB). Free memory was 219.9 MB in the beginning and 352.2 MB in the end (delta: -132.3 MB). Peak memory consumption was 94.0 MB. Max. memory is 8.0 GB.
[2021-07-10 04:23:23,885 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 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 255.9 MB. Free memory was 235.8 MB in the beginning and 234.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 13.06 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.5 MB in the end (delta: 815.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 274.06 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 220.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 12646.31 ms. Allocated memory was 255.9 MB in the beginning and 482.3 MB in the end (delta: 226.5 MB). Free memory was 219.9 MB in the beginning and 352.2 MB in the end (delta: -132.3 MB). Peak memory consumption was 94.0 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 160, positive conditional: 0, positive unconditional: 160, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 165, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 279, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 165, unknown conditional: 0, unknown unconditional: 165] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 97, Number of persistent set computation: 35, Number of trivial persistent sets: 13, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 160, positive conditional: 0, positive unconditional: 160, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 165, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 279, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 165, unknown conditional: 0, unknown unconditional: 165] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0
  - PositiveResult [Line: 62]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12536.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.3ms, PartialOrderReductionTime: 5690.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.3ms SsaConstructionTime, 218.7ms SatisfiabilityAnalysisTime, 5000.8ms InterpolantComputationTime, 579 NumberOfCodeBlocks, 579 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 566 ConstructedInterpolants, 72 QuantifiedInterpolants, 7070 SizeOfPredicates, 57 NumberOfNonLiveVariables, 553 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 256/682 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!
Received shutdown request...