/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl


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


This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b
[2021-06-06 16:06:02,076 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-06-06 16:06:02,130 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-06 16:06:02,134 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-DelaySleep-NoLbe-Random42.epf
[2021-06-06 16:06:02,166 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-06 16:06:02,166 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-06 16:06:02,166 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-06 16:06:02,166 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-06 16:06:02,167 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-06 16:06:02,168 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-06 16:06:02,168 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-06 16:06:02,168 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-06 16:06:02,168 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-06 16:06:02,168 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-06 16:06:02,168 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-06 16:06:02,169 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-06 16:06:02,170 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-06 16:06:02,170 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-06 16:06:02,171 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-06 16:06:02,171 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-06 16:06:02,171 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-06 16:06:02,171 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-06 16:06:02,171 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-06-06 16:06:02,171 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-06 16:06:02,172 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-06 16:06:02,172 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-06 16:06:02,172 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-06 16:06:02,172 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET
[2021-06-06 16:06:02,174 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-06-06 16:06:02,174 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=42
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-06 16:06:02,525 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-06 16:06:02,555 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-06 16:06:02,558 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-06 16:06:02,559 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-06-06 16:06:02,560 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-06-06 16:06:02,561 INFO  L432   ainManager$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
[2021-06-06 16:06:02,561 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl'
[2021-06-06 16:06:02,604 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-06 16:06:02,606 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-06-06 16:06:02,607 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-06 16:06:02,608 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-06 16:06:02,608 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-06 16:06:02,619 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 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,628 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 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,634 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-06 16:06:02,636 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-06 16:06:02,636 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-06 16:06:02,636 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-06 16:06:02,643 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,643 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,650 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,650 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,657 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,660 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,664 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/1) ...
[2021-06-06 16:06:02,666 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-06 16:06:02,667 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-06 16:06:02,667 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-06 16:06:02,667 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-06 16:06:02,669 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (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
[2021-06-06 16:06:02,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2021-06-06 16:06:02,746 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-06-06 16:06:02,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-06-06 16:06:02,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2021-06-06 16:06:02,746 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-06-06 16:06:02,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-06-06 16:06:02,747 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-06-06 16:06:02,747 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-06 16:06:02,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-06 16:06:02,747 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2021-06-06 16:06:02,747 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-06-06 16:06:02,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-06-06 16:06:02,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2021-06-06 16:06:02,748 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2021-06-06 16:06:02,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2021-06-06 16:06:02,749 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration
[2021-06-06 16:06:02,749 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2021-06-06 16:06:02,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2021-06-06 16:06:02,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration
[2021-06-06 16:06:02,751 INFO  L130     BoogieDeclarations]: Found specification of procedure thread6
[2021-06-06 16:06:02,751 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread6
[2021-06-06 16:06:02,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration
[2021-06-06 16:06:02,752 INFO  L130     BoogieDeclarations]: Found specification of procedure thread7
[2021-06-06 16:06:02,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread7
[2021-06-06 16:06:02,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration
[2021-06-06 16:06:02,752 INFO  L130     BoogieDeclarations]: Found specification of procedure thread8
[2021-06-06 16:06:02,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread8
[2021-06-06 16:06:02,753 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-06 16:06:03,064 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-06 16:06:03,065 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-06-06 16:06:03,067 INFO  L202        PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:06:03 BoogieIcfgContainer
[2021-06-06 16:06:03,067 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-06 16:06:03,068 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-06 16:06:03,068 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-06 16:06:03,071 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-06 16:06:03,071 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:06:02" (1/2) ...
[2021-06-06 16:06:03,071 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b13b2aa and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:06:03, skipping insertion in model container
[2021-06-06 16:06:03,072 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:06:03" (2/2) ...
[2021-06-06 16:06:03,073 INFO  L111   eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl
[2021-06-06 16:06:03,077 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-06 16:06:03,077 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-06 16:06:03,077 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-06 16:06:03,078 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-06 16:06:03,141 INFO  L149    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2021-06-06 16:06:03,158 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
[2021-06-06 16:06:03,207 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-06 16:06:03,208 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-06 16:06:03,208 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-06 16:06:03,208 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-06 16:06:03,208 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-06 16:06:03,208 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-06 16:06:03,208 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-06 16:06:03,208 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-06 16:06:03,390 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]===
[2021-06-06 16:06:03,396 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:03,397 INFO  L82        PathProgramCache]: Analyzing trace with hash -1860427754, now seen corresponding path program 1 times
[2021-06-06 16:06:03,406 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:03,407 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093305142]
[2021-06-06 16:06:03,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:03,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:03,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:03,649 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:03,649 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093305142]
[2021-06-06 16:06:03,650 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093305142] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:03,651 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:03,651 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-06-06 16:06:03,651 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596250899]
[2021-06-06 16:06:03,657 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-06 16:06:03,658 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:03,670 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-06 16:06:03,675 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-06-06 16:06:03,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:03,676 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:03,678 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)
[2021-06-06 16:06:03,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:03,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:03,963 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-06 16:06:03,964 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]===
[2021-06-06 16:06:03,966 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:03,967 INFO  L82        PathProgramCache]: Analyzing trace with hash 403329264, now seen corresponding path program 2 times
[2021-06-06 16:06:03,967 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:03,967 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975822409]
[2021-06-06 16:06:03,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:04,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:04,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:04,053 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:04,053 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975822409]
[2021-06-06 16:06:04,054 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975822409] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:04,054 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:04,054 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-06 16:06:04,054 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447250724]
[2021-06-06 16:06:04,055 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-06 16:06:04,056 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:04,056 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-06 16:06:04,056 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-06-06 16:06:04,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,057 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:04,057 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 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)
[2021-06-06 16:06:04,057 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,057 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,196 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-06 16:06:04,196 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]===
[2021-06-06 16:06:04,197 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:04,197 INFO  L82        PathProgramCache]: Analyzing trace with hash -15591444, now seen corresponding path program 3 times
[2021-06-06 16:06:04,197 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:04,197 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558284862]
[2021-06-06 16:06:04,198 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:04,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:04,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:04,268 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:04,269 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558284862]
[2021-06-06 16:06:04,269 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558284862] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:04,269 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:04,269 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-06 16:06:04,269 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033914022]
[2021-06-06 16:06:04,270 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-06 16:06:04,270 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:04,270 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-06 16:06:04,271 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-06-06 16:06:04,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,271 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:04,271 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)
[2021-06-06 16:06:04,271 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:04,536 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-06 16:06:04,536 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]===
[2021-06-06 16:06:04,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:04,537 INFO  L82        PathProgramCache]: Analyzing trace with hash 504630222, now seen corresponding path program 4 times
[2021-06-06 16:06:04,537 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:04,537 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943958658]
[2021-06-06 16:06:04,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:04,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:04,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:04,634 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:04,634 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943958658]
[2021-06-06 16:06:04,635 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943958658] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:04,635 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:04,635 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-06 16:06:04,635 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038418937]
[2021-06-06 16:06:04,636 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-06 16:06:04,636 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:04,636 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-06 16:06:04,637 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2021-06-06 16:06:04,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,637 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:04,637 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 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)
[2021-06-06 16:06:04,637 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,637 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,637 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:04,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:04,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:04,878 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-06 16:06:04,878 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]===
[2021-06-06 16:06:04,878 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:04,878 INFO  L82        PathProgramCache]: Analyzing trace with hash 1406117424, now seen corresponding path program 5 times
[2021-06-06 16:06:04,878 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:04,879 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063646401]
[2021-06-06 16:06:04,879 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:04,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:04,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:04,968 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:04,968 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063646401]
[2021-06-06 16:06:04,968 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063646401] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:04,968 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:04,968 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-06 16:06:04,968 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332459995]
[2021-06-06 16:06:04,969 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-06 16:06:04,969 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:04,969 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-06 16:06:04,969 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2021-06-06 16:06:04,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:04,970 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:04,970 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)
[2021-06-06 16:06:04,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:04,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:04,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:04,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:04,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:05,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:05,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:05,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:05,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:05,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,233 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-06 16:06:05,234 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]===
[2021-06-06 16:06:05,234 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:05,234 INFO  L82        PathProgramCache]: Analyzing trace with hash -813218628, now seen corresponding path program 6 times
[2021-06-06 16:06:05,234 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:05,234 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090288023]
[2021-06-06 16:06:05,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:05,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:05,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:05,340 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:05,341 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090288023]
[2021-06-06 16:06:05,341 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090288023] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:05,341 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:05,341 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-06 16:06:05,341 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954095090]
[2021-06-06 16:06:05,342 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-06 16:06:05,342 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:05,342 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-06 16:06:05,343 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2021-06-06 16:06:05,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:05,343 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:05,343 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)
[2021-06-06 16:06:05,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:05,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:05,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:05,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:05,344 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,344 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,566 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-06 16:06:05,566 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]===
[2021-06-06 16:06:05,566 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:05,566 INFO  L82        PathProgramCache]: Analyzing trace with hash -103388758, now seen corresponding path program 7 times
[2021-06-06 16:06:05,566 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:05,566 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297190721]
[2021-06-06 16:06:05,566 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:05,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:05,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:05,687 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:05,687 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297190721]
[2021-06-06 16:06:05,687 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297190721] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:05,688 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:05,688 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-06-06 16:06:05,688 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055572392]
[2021-06-06 16:06:05,689 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-06-06 16:06:05,689 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:05,689 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-06-06 16:06:05,691 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110
[2021-06-06 16:06:05,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:05,691 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:05,691 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)
[2021-06-06 16:06:05,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:05,692 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:05,692 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:05,692 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:05,692 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,693 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,693 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:05,885 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-06 16:06:05,885 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]===
[2021-06-06 16:06:05,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:05,885 INFO  L82        PathProgramCache]: Analyzing trace with hash 970452050, now seen corresponding path program 8 times
[2021-06-06 16:06:05,885 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:05,888 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183078644]
[2021-06-06 16:06:05,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:05,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:06,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:06,032 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:06,032 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183078644]
[2021-06-06 16:06:06,032 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183078644] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:06,032 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:06,032 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-06-06 16:06:06,032 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372593617]
[2021-06-06 16:06:06,033 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-06 16:06:06,033 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:06,033 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-06 16:06:06,033 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132
[2021-06-06 16:06:06,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,034 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:06,034 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)
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,214 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-06-06 16:06:06,214 INFO  L430      AbstractCegarLoop]: === Iteration 9 === [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]===
[2021-06-06 16:06:06,215 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:06,215 INFO  L82        PathProgramCache]: Analyzing trace with hash 1960129552, now seen corresponding path program 9 times
[2021-06-06 16:06:06,215 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:06,215 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529110164]
[2021-06-06 16:06:06,215 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:06,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:06,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:06,240 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:06,240 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529110164]
[2021-06-06 16:06:06,241 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529110164] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:06,241 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:06,241 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-06-06 16:06:06,241 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361368620]
[2021-06-06 16:06:06,241 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-06-06 16:06:06,241 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:06,242 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-06-06 16:06:06,242 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-06-06 16:06:06,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,242 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:06,242 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)
[2021-06-06 16:06:06,242 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,242 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,242 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-06 16:06:06,295 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-06-06 16:06:06,295 INFO  L430      AbstractCegarLoop]: === Iteration 10 === [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]===
[2021-06-06 16:06:06,295 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:06,295 INFO  L82        PathProgramCache]: Analyzing trace with hash -2090204550, now seen corresponding path program 10 times
[2021-06-06 16:06:06,295 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:06,296 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294367461]
[2021-06-06 16:06:06,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:06,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:06,346 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:06,346 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:06,347 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294367461]
[2021-06-06 16:06:06,347 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294367461] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:06,347 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:06,347 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-06 16:06:06,347 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452592136]
[2021-06-06 16:06:06,347 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-06 16:06:06,347 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:06,348 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-06 16:06:06,348 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-06-06 16:06:06,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,348 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:06,348 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 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)
[2021-06-06 16:06:06,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-06 16:06:06,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-06 16:06:06,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-06 16:06:06,538 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-06-06 16:06:06,538 INFO  L430      AbstractCegarLoop]: === Iteration 11 === [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]===
[2021-06-06 16:06:06,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-06 16:06:06,539 INFO  L82        PathProgramCache]: Analyzing trace with hash -1773181336, now seen corresponding path program 11 times
[2021-06-06 16:06:06,539 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-06 16:06:06,539 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634361093]
[2021-06-06 16:06:06,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-06 16:06:06,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-06 16:06:06,644 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-06 16:06:06,644 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-06 16:06:06,644 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634361093]
[2021-06-06 16:06:06,644 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634361093] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-06 16:06:06,645 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-06 16:06:06,645 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-06-06 16:06:06,645 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449036242]
[2021-06-06 16:06:06,645 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-06-06 16:06:06,645 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-06 16:06:06,646 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-06-06 16:06:06,646 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-06-06 16:06:06,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-06 16:06:06,646 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-06 16:06:06,646 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)
[2021-06-06 16:06:06,646 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-06-06 16:06:06,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.