/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl


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


This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad
[2021-06-14 21:08:24,400 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-06-14 21:08:24,489 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-14 21:08:24,493 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf
[2021-06-14 21:08:24,527 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-14 21:08:24,528 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-14 21:08:24,528 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-14 21:08:24,528 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-14 21:08:24,530 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-14 21:08:24,531 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-14 21:08:24,531 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-14 21:08:24,531 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-14 21:08:24,531 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-14 21:08:24,532 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-14 21:08:24,532 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-14 21:08:24,533 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-14 21:08:24,533 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-14 21:08:24,533 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-14 21:08:24,533 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-14 21:08:24,533 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-14 21:08:24,543 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-14 21:08:24,543 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-14 21:08:24,543 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-14 21:08:24,543 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-14 21:08:24,544 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-14 21:08:24,544 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-14 21:08:24,544 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-14 21:08:24,544 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-14 21:08:24,544 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-14 21:08:24,544 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-14 21:08:24,545 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-14 21:08:24,546 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-14 21:08:24,546 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-06-14 21:08:24,546 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-14 21:08:24,834 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-14 21:08:24,850 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-14 21:08:24,852 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-14 21:08:24,853 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-06-14 21:08:24,857 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-06-14 21:08:24,857 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl
[2021-06-14 21:08:24,858 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl'
[2021-06-14 21:08:24,893 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-14 21:08:24,895 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-06-14 21:08:24,896 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-14 21:08:24,896 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-14 21:08:24,897 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-14 21:08:24,907 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,916 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,922 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-14 21:08:24,924 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-14 21:08:24,924 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-14 21:08:24,925 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-14 21:08:24,931 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,931 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,938 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,939 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,946 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,947 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,951 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/1) ...
[2021-06-14 21:08:24,954 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-14 21:08:24,954 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-14 21:08:24,955 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-14 21:08:24,955 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-14 21:08:24,956 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (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
[2021-06-14 21:08:25,037 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2021-06-14 21:08:25,038 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-06-14 21:08:25,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-06-14 21:08:25,038 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2021-06-14 21:08:25,038 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-06-14 21:08:25,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-06-14 21:08:25,039 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-06-14 21:08:25,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-14 21:08:25,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-14 21:08:25,039 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2021-06-14 21:08:25,039 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-06-14 21:08:25,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-06-14 21:08:25,039 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2021-06-14 21:08:25,040 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2021-06-14 21:08:25,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2021-06-14 21:08:25,040 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration
[2021-06-14 21:08:25,040 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2021-06-14 21:08:25,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2021-06-14 21:08:25,041 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration
[2021-06-14 21:08:25,041 INFO  L130     BoogieDeclarations]: Found specification of procedure thread6
[2021-06-14 21:08:25,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread6
[2021-06-14 21:08:25,042 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration
[2021-06-14 21:08:25,043 INFO  L130     BoogieDeclarations]: Found specification of procedure thread7
[2021-06-14 21:08:25,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread7
[2021-06-14 21:08:25,043 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration
[2021-06-14 21:08:25,043 INFO  L130     BoogieDeclarations]: Found specification of procedure thread8
[2021-06-14 21:08:25,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread8
[2021-06-14 21:08:25,044 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-14 21:08:25,289 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-14 21:08:25,290 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-06-14 21:08:25,291 INFO  L202        PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:08:25 BoogieIcfgContainer
[2021-06-14 21:08:25,292 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-14 21:08:25,293 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-14 21:08:25,293 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-14 21:08:25,296 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-14 21:08:25,296 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:08:24" (1/2) ...
[2021-06-14 21:08:25,297 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ec0a7 and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 09:08:25, skipping insertion in model container
[2021-06-14 21:08:25,297 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:08:25" (2/2) ...
[2021-06-14 21:08:25,298 INFO  L111   eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl
[2021-06-14 21:08:25,302 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-14 21:08:25,303 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-14 21:08:25,303 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-14 21:08:25,303 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-14 21:08:25,441 INFO  L149    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2021-06-14 21:08:25,459 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 9 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
[2021-06-14 21:08:25,523 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-14 21:08:25,524 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-14 21:08:25,524 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-14 21:08:25,524 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-14 21:08:25,524 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-14 21:08:25,524 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-14 21:08:25,524 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-14 21:08:25,524 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-14 21:08:26,236 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:08:26,241 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:08:26,241 INFO  L82        PathProgramCache]: Analyzing trace with hash 477336876, now seen corresponding path program 1 times
[2021-06-14 21:08:26,247 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:08:26,248 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565403181]
[2021-06-14 21:08:26,248 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:08:26,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:08:26,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:08:26,419 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:08:26,420 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565403181]
[2021-06-14 21:08:26,420 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565403181] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:08:26,420 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:08:26,421 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-06-14 21:08:26,421 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512060115]
[2021-06-14 21:08:26,425 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-14 21:08:26,425 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:08:26,434 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-14 21:08:26,436 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-06-14 21:08:26,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:08:26,437 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:08:26,439 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 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)
[2021-06-14 21:08:26,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:08:37,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:08:37,982 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-14 21:08:37,989 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:08:37,993 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:08:37,993 INFO  L82        PathProgramCache]: Analyzing trace with hash -789621452, now seen corresponding path program 2 times
[2021-06-14 21:08:37,994 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:08:37,994 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691075393]
[2021-06-14 21:08:37,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:08:38,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:08:38,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:08:38,168 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:08:38,168 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691075393]
[2021-06-14 21:08:38,168 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691075393] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:08:38,168 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:08:38,169 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-14 21:08:38,169 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107674783]
[2021-06-14 21:08:38,171 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-14 21:08:38,171 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:08:38,172 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-14 21:08:38,172 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-06-14 21:08:38,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:08:38,173 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:08:38,173 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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)
[2021-06-14 21:08:38,173 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:08:38,173 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:08:48,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:08:48,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:08:48,075 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-14 21:08:48,075 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:08:48,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:08:48,076 INFO  L82        PathProgramCache]: Analyzing trace with hash -2133838320, now seen corresponding path program 3 times
[2021-06-14 21:08:48,076 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:08:48,076 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143781344]
[2021-06-14 21:08:48,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:08:48,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:08:48,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:08:48,117 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:08:48,117 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143781344]
[2021-06-14 21:08:48,117 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143781344] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:08:48,117 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:08:48,117 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-06-14 21:08:48,117 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078925419]
[2021-06-14 21:08:48,118 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-06-14 21:08:48,118 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:08:48,118 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-06-14 21:08:48,118 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-06-14 21:08:48,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:08:48,119 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:08:48,119 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2021-06-14 21:08:48,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:08:48,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:08:48,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:09:36,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:09:36,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:09:36,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:09:36,254 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-14 21:09:36,254 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:09:36,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:09:36,254 INFO  L82        PathProgramCache]: Analyzing trace with hash 155140602, now seen corresponding path program 4 times
[2021-06-14 21:09:36,255 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:09:36,255 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244486095]
[2021-06-14 21:09:36,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:09:36,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:09:36,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:09:36,343 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:09:36,343 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244486095]
[2021-06-14 21:09:36,343 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244486095] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:09:36,343 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:09:36,343 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-14 21:09:36,343 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403327460]
[2021-06-14 21:09:36,343 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-14 21:09:36,344 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:09:36,344 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-14 21:09:36,344 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2021-06-14 21:09:36,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:09:36,344 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:09:36,344 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 10 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 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)
[2021-06-14 21:09:36,344 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:09:36,345 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:09:36,345 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:09:36,345 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:18,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:18,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:18,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:18,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:18,318 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-14 21:10:18,318 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:10:18,318 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:10:18,318 INFO  L82        PathProgramCache]: Analyzing trace with hash 1591388120, now seen corresponding path program 5 times
[2021-06-14 21:10:18,318 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:10:18,319 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083327244]
[2021-06-14 21:10:18,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:10:18,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:10:18,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:10:18,417 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:10:18,417 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083327244]
[2021-06-14 21:10:18,418 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083327244] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:10:18,418 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:10:18,418 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-06-14 21:10:18,418 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426619763]
[2021-06-14 21:10:18,418 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-06-14 21:10:18,418 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:10:18,419 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-06-14 21:10:18,419 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2021-06-14 21:10:18,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:18,419 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:10:18,420 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 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)
[2021-06-14 21:10:18,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:18,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:18,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:18,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:18,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:33,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:33,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:33,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:33,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:33,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:33,633 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-14 21:10:33,633 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:10:33,633 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:10:33,634 INFO  L82        PathProgramCache]: Analyzing trace with hash 790737396, now seen corresponding path program 6 times
[2021-06-14 21:10:33,634 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:10:33,634 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510795500]
[2021-06-14 21:10:33,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:10:33,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:10:33,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:10:33,751 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:10:33,751 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510795500]
[2021-06-14 21:10:33,751 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510795500] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:10:33,752 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:10:33,752 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-06-14 21:10:33,752 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913509782]
[2021-06-14 21:10:33,752 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-14 21:10:33,752 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:10:33,752 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-14 21:10:33,753 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132
[2021-06-14 21:10:33,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:33,753 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:10:33,753 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 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)
[2021-06-14 21:10:33,753 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:33,753 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:33,753 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:33,754 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:33,754 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:33,754 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:41,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:41,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:41,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:41,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:41,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:41,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:41,741 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-14 21:10:41,741 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:10:41,741 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:10:41,742 INFO  L82        PathProgramCache]: Analyzing trace with hash 1463374550, now seen corresponding path program 7 times
[2021-06-14 21:10:41,742 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:10:41,742 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061741827]
[2021-06-14 21:10:41,742 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:10:41,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:10:41,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:10:41,854 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:10:41,854 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061741827]
[2021-06-14 21:10:41,854 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061741827] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:10:41,854 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:10:41,854 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-06-14 21:10:41,854 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657218024]
[2021-06-14 21:10:41,855 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-14 21:10:41,855 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:10:41,855 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-14 21:10:41,855 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132
[2021-06-14 21:10:41,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:41,856 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:10:41,856 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 12 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 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)
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:41,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:41,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:49,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:49,442 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-14 21:10:49,443 INFO  L430      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]===
[2021-06-14 21:10:49,443 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-14 21:10:49,443 INFO  L82        PathProgramCache]: Analyzing trace with hash 352230042, now seen corresponding path program 8 times
[2021-06-14 21:10:49,443 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-14 21:10:49,443 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523936923]
[2021-06-14 21:10:49,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-14 21:10:49,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-14 21:10:49,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-14 21:10:49,506 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-14 21:10:49,506 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523936923]
[2021-06-14 21:10:49,506 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523936923] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-14 21:10:49,506 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-14 21:10:49,506 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-06-14 21:10:49,506 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719821404]
[2021-06-14 21:10:49,507 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-06-14 21:10:49,507 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-14 21:10:49,507 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-06-14 21:10:49,507 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-06-14 21:10:49,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-14 21:10:49,508 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-14 21:10:49,508 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:49,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-06-14 21:10:49,509 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.