/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/popl20/min-max-dec.wvr.bpl


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


This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3
[2021-06-17 09:59:40,066 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-06-17 09:59:40,154 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-17 09:59:40,162 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
[2021-06-17 09:59:40,198 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-17 09:59:40,198 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-17 09:59:40,198 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-17 09:59:40,199 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-17 09:59:40,200 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-17 09:59:40,200 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-17 09:59:40,200 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-17 09:59:40,201 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-17 09:59:40,201 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-17 09:59:40,201 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-17 09:59:40,201 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-17 09:59:40,201 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-17 09:59:40,201 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-17 09:59:40,202 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-17 09:59:40,203 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-17 09:59:40,203 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-17 09:59:40,203 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-17 09:59:40,203 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-17 09:59:40,203 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-17 09:59:40,203 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-17 09:59:40,204 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-17 09:59:40,205 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-17 09:59:40,205 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-06-17 09:59:40,205 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-17 09:59:40,494 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-17 09:59:40,523 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-17 09:59:40,525 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-17 09:59:40,526 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-06-17 09:59:40,527 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-06-17 09:59:40,528 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl
[2021-06-17 09:59:40,528 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl'
[2021-06-17 09:59:40,575 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-17 09:59:40,577 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-06-17 09:59:40,581 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-17 09:59:40,581 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-17 09:59:40,581 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-17 09:59:40,593 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,602 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,611 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-17 09:59:40,613 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-17 09:59:40,613 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-17 09:59:40,613 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-17 09:59:40,619 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,619 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,620 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,620 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,623 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,627 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,628 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/1) ...
[2021-06-17 09:59:40,631 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-17 09:59:40,634 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-17 09:59:40,634 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-17 09:59:40,635 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-17 09:59:40,636 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (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
[2021-06-17 09:59:40,707 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2021-06-17 09:59:40,707 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-06-17 09:59:40,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-06-17 09:59:40,707 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2021-06-17 09:59:40,708 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-06-17 09:59:40,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-06-17 09:59:40,708 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-06-17 09:59:40,709 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-17 09:59:40,709 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-17 09:59:40,709 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2021-06-17 09:59:40,709 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-06-17 09:59:40,709 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-06-17 09:59:40,710 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2021-06-17 09:59:40,710 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2021-06-17 09:59:40,710 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2021-06-17 09:59:40,711 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-17 09:59:41,016 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-17 09:59:41,017 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-06-17 09:59:41,018 INFO  L202        PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:59:41 BoogieIcfgContainer
[2021-06-17 09:59:41,019 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-17 09:59:41,020 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-17 09:59:41,020 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-17 09:59:41,023 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-17 09:59:41,023 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:59:40" (1/2) ...
[2021-06-17 09:59:41,024 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e738789 and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:59:41, skipping insertion in model container
[2021-06-17 09:59:41,024 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:59:41" (2/2) ...
[2021-06-17 09:59:41,025 INFO  L111   eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl
[2021-06-17 09:59:41,030 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-17 09:59:41,030 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-17 09:59:41,030 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-17 09:59:41,031 INFO  L470   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-17 09:59:41,099 INFO  L149    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2021-06-17 09:59:41,135 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 5 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
[2021-06-17 09:59:41,237 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-17 09:59:41,238 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-17 09:59:41,238 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-17 09:59:41,238 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-17 09:59:41,238 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-17 09:59:41,238 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-17 09:59:41,238 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-17 09:59:41,239 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-17 09:59:41,582 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 09:59:41,590 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 09:59:41,591 INFO  L82        PathProgramCache]: Analyzing trace with hash 1096513562, now seen corresponding path program 1 times
[2021-06-17 09:59:41,598 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 09:59:41,599 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469386928]
[2021-06-17 09:59:41,599 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 09:59:41,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:41,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2021-06-17 09:59:41,897 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 09:59:41,897 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469386928]
[2021-06-17 09:59:41,898 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469386928] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:41,898 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995407779]
[2021-06-17 09:59:41,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:41,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:41,977 INFO  L263         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-06-17 09:59:41,982 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 09:59:42,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-06-17 09:59:42,198 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995407779] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:42,198 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 09:59:42,198 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9
[2021-06-17 09:59:42,199 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181756540]
[2021-06-17 09:59:42,203 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-17 09:59:42,204 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 09:59:42,214 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-17 09:59:42,216 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-06-17 09:59:42,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:42,217 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 09:59:42,219 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 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)
[2021-06-17 09:59:42,219 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:43,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:44,161 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2021-06-17 09:59:44,161 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 09:59:44,161 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 09:59:44,162 INFO  L82        PathProgramCache]: Analyzing trace with hash 821407816, now seen corresponding path program 2 times
[2021-06-17 09:59:44,162 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 09:59:44,162 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685349976]
[2021-06-17 09:59:44,162 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 09:59:44,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:44,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-06-17 09:59:44,217 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 09:59:44,217 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685349976]
[2021-06-17 09:59:44,217 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685349976] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:44,218 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682630475]
[2021-06-17 09:59:44,218 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:44,272 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-06-17 09:59:44,272 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 09:59:44,273 INFO  L263         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-06-17 09:59:44,275 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 09:59:44,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-06-17 09:59:44,361 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682630475] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:44,361 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 09:59:44,362 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-06-17 09:59:44,362 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139818628]
[2021-06-17 09:59:44,362 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-06-17 09:59:44,363 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 09:59:44,371 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-06-17 09:59:44,371 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-06-17 09:59:44,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:44,372 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 09:59:44,372 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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)
[2021-06-17 09:59:44,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:44,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:44,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:44,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:45,136 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:45,136 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 09:59:45,137 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 09:59:45,137 INFO  L82        PathProgramCache]: Analyzing trace with hash -621655272, now seen corresponding path program 3 times
[2021-06-17 09:59:45,137 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 09:59:45,137 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677905207]
[2021-06-17 09:59:45,137 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 09:59:45,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:45,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-06-17 09:59:45,305 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 09:59:45,305 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677905207]
[2021-06-17 09:59:45,305 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677905207] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:45,305 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978958125]
[2021-06-17 09:59:45,306 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:45,375 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2021-06-17 09:59:45,375 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 09:59:45,376 INFO  L263         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-06-17 09:59:45,378 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 09:59:45,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 75 backedges. 42 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-06-17 09:59:45,519 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978958125] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:45,519 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 09:59:45,519 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 17
[2021-06-17 09:59:45,519 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200797082]
[2021-06-17 09:59:45,521 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 18 states
[2021-06-17 09:59:45,521 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 09:59:45,521 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2021-06-17 09:59:45,523 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306
[2021-06-17 09:59:45,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:45,524 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 09:59:45,527 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 17 states have internal predecessors, (77), 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)
[2021-06-17 09:59:45,527 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:48,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:48,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:48,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-06-17 09:59:48,969 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:48,969 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 09:59:48,970 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 09:59:48,970 INFO  L82        PathProgramCache]: Analyzing trace with hash 176745822, now seen corresponding path program 4 times
[2021-06-17 09:59:48,970 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 09:59:48,970 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257614766]
[2021-06-17 09:59:48,970 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 09:59:49,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:49,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 101 backedges. 26 proven. 65 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-06-17 09:59:49,163 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 09:59:49,163 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257614766]
[2021-06-17 09:59:49,163 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257614766] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:49,163 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048373918]
[2021-06-17 09:59:49,163 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:49,215 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-06-17 09:59:49,215 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 09:59:49,216 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-06-17 09:59:49,219 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 09:59:49,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 101 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2021-06-17 09:59:49,388 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048373918] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:49,388 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 09:59:49,388 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4] total 16
[2021-06-17 09:59:49,388 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125442877]
[2021-06-17 09:59:49,389 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 17 states
[2021-06-17 09:59:49,389 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 09:59:49,390 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-06-17 09:59:49,390 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272
[2021-06-17 09:59:49,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:49,390 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 09:59:49,390 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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)
[2021-06-17 09:59:49,390 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-06-17 09:59:49,390 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:49,390 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-06-17 09:59:49,390 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:55,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 09:59:55,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:55,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-06-17 09:59:55,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 09:59:56,137 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:56,138 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 09:59:56,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 09:59:56,139 INFO  L82        PathProgramCache]: Analyzing trace with hash 985499250, now seen corresponding path program 5 times
[2021-06-17 09:59:56,139 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 09:59:56,139 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281701651]
[2021-06-17 09:59:56,139 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 09:59:56,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 09:59:56,242 INFO  L134       CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-06-17 09:59:56,242 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 09:59:56,242 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281701651]
[2021-06-17 09:59:56,242 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281701651] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:56,243 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058579193]
[2021-06-17 09:59:56,243 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 09:59:56,294 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s)
[2021-06-17 09:59:56,295 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 09:59:56,295 INFO  L263         TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-06-17 09:59:56,297 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 09:59:56,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 68 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-06-17 09:59:56,404 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058579193] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 09:59:56,405 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 09:59:56,405 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 10
[2021-06-17 09:59:56,405 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337777573]
[2021-06-17 09:59:56,405 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-06-17 09:59:56,405 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 09:59:56,406 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-06-17 09:59:56,406 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2021-06-17 09:59:56,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 09:59:56,406 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 09:59:56,406 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 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)
[2021-06-17 09:59:56,406 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 09:59:56,406 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 09:59:56,407 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-06-17 09:59:56,407 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 09:59:56,407 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:04,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:04,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:04,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:04,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:04,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:04,265 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 10:00:04,266 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 10:00:04,266 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 10:00:04,266 INFO  L82        PathProgramCache]: Analyzing trace with hash 102700598, now seen corresponding path program 6 times
[2021-06-17 10:00:04,266 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 10:00:04,266 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49938933]
[2021-06-17 10:00:04,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 10:00:04,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 10:00:04,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-06-17 10:00:04,407 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 10:00:04,407 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49938933]
[2021-06-17 10:00:04,407 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49938933] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:04,407 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420658934]
[2021-06-17 10:00:04,407 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 10:00:04,455 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2021-06-17 10:00:04,455 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 10:00:04,456 INFO  L263         TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-06-17 10:00:04,457 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 10:00:04,553 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2021-06-17 10:00:04,560 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-17 10:00:04,564 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-17 10:00:04,565 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2021-06-17 10:00:04,565 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7
[2021-06-17 10:00:04,623 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-17 10:00:04,623 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20
[2021-06-17 10:00:04,632 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 2 xjuncts.
[2021-06-17 10:00:04,639 INFO  L354             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2021-06-17 10:00:04,640 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16
[2021-06-17 10:00:04,642 INFO  L550         ElimStorePlain]: Start of recursive call 3:  End of recursive call:  and 1 xjuncts.
[2021-06-17 10:00:04,652 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-17 10:00:04,655 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 2 xjuncts.
[2021-06-17 10:00:04,655 INFO  L247         ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:9
[2021-06-17 10:00:04,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-06-17 10:00:04,699 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [420658934] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:04,699 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 10:00:04,699 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 9
[2021-06-17 10:00:04,699 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207189429]
[2021-06-17 10:00:04,700 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-17 10:00:04,700 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 10:00:04,700 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-17 10:00:04,700 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-06-17 10:00:04,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:04,700 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 10:00:04,701 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 states have internal predecessors, (48), 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)
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:04,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:16,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:16,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:16,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:16,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:16,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:16,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-06-17 10:00:16,690 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 10:00:16,691 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 10:00:16,692 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 10:00:16,692 INFO  L82        PathProgramCache]: Analyzing trace with hash -1837599542, now seen corresponding path program 7 times
[2021-06-17 10:00:16,692 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 10:00:16,692 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759100846]
[2021-06-17 10:00:16,692 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 10:00:16,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 10:00:16,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-06-17 10:00:16,815 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 10:00:16,817 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759100846]
[2021-06-17 10:00:16,817 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759100846] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:16,817 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141100047]
[2021-06-17 10:00:16,817 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 10:00:16,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 10:00:16,874 INFO  L263         TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-06-17 10:00:16,875 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 10:00:17,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-06-17 10:00:17,008 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [141100047] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:17,008 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 10:00:17,008 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11
[2021-06-17 10:00:17,008 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659144495]
[2021-06-17 10:00:17,008 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-17 10:00:17,008 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 10:00:17,009 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-17 10:00:17,009 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2021-06-17 10:00:17,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:17,009 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 10:00:17,009 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)
[2021-06-17 10:00:17,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:17,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:17,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:17,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:17,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:17,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-06-17 10:00:17,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:44,167 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-06-17 10:00:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-17 10:00:44,369 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2021-06-17 10:00:44,369 INFO  L430      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-17 10:00:44,370 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-17 10:00:44,370 INFO  L82        PathProgramCache]: Analyzing trace with hash 660437766, now seen corresponding path program 8 times
[2021-06-17 10:00:44,370 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-17 10:00:44,370 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63042210]
[2021-06-17 10:00:44,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-17 10:00:44,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-17 10:00:44,460 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-06-17 10:00:44,461 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-17 10:00:44,461 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63042210]
[2021-06-17 10:00:44,461 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63042210] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:44,461 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444817960]
[2021-06-17 10:00:44,461 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-17 10:00:44,525 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-06-17 10:00:44,525 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-06-17 10:00:44,526 INFO  L263         TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-06-17 10:00:44,532 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-17 10:00:44,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 56 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-06-17 10:00:44,686 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [444817960] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-17 10:00:44,686 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-17 10:00:44,686 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15
[2021-06-17 10:00:44,689 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541676687]
[2021-06-17 10:00:44,689 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 16 states
[2021-06-17 10:00:44,689 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-17 10:00:44,690 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-06-17 10:00:44,690 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240
[2021-06-17 10:00:44,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-17 10:00:44,690 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-17 10:00:44,690 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-17 10:00:44,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-06-17 10:00:44,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-06-17 10:00:44,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-06-17 10:00:44,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-06-17 10:00:44,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-06-17 10:00:44,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-06-17 10:00:44,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-06-17 10:00:44,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.