/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl


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


This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b
[2021-02-20 00:14:10,021 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-02-20 00:14:10,069 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-Sleep-NoLbe-New_States.epf
[2021-02-20 00:14:10,093 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-02-20 00:14:10,093 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-20 00:14:10,093 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-02-20 00:14:10,093 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-02-20 00:14:10,094 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-02-20 00:14:10,094 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-02-20 00:14:10,094 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-02-20 00:14:10,095 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-02-20 00:14:10,095 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-02-20 00:14:10,096 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-20 00:14:10,096 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-02-20 00:14:10,096 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-20 00:14:10,097 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2021-02-20 00:14:10,097 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-20 00:14:10,352 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-20 00:14:10,371 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-20 00:14:10,373 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-20 00:14:10,374 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-02-20 00:14:10,375 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-02-20 00:14:10,376 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl
[2021-02-20 00:14:10,376 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl'
[2021-02-20 00:14:10,406 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-20 00:14:10,410 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-20 00:14:10,411 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-02-20 00:14:10,411 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-02-20 00:14:10,411 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-02-20 00:14:10,420 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,426 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,432 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-02-20 00:14:10,433 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-20 00:14:10,433 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-20 00:14:10,433 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-02-20 00:14:10,438 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,438 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,439 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,439 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,444 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,446 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,447 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
[2021-02-20 00:14:10,448 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-20 00:14:10,448 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-20 00:14:10,448 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-02-20 00:14:10,448 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-02-20 00:14:10,450 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-20 00:14:10,505 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2021-02-20 00:14:10,505 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-02-20 00:14:10,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-02-20 00:14:10,506 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2021-02-20 00:14:10,506 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-02-20 00:14:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-02-20 00:14:10,506 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-02-20 00:14:10,506 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-20 00:14:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-20 00:14:10,506 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2021-02-20 00:14:10,506 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-02-20 00:14:10,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-02-20 00:14:10,507 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2021-02-20 00:14:10,507 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2021-02-20 00:14:10,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2021-02-20 00:14:10,507 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration
[2021-02-20 00:14:10,508 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2021-02-20 00:14:10,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2021-02-20 00:14:10,508 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration
[2021-02-20 00:14:10,508 INFO  L130     BoogieDeclarations]: Found specification of procedure thread6
[2021-02-20 00:14:10,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread6
[2021-02-20 00:14:10,510 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-02-20 00:14:10,678 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-20 00:14:10,678 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-02-20 00:14:10,679 INFO  L202        PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:14:10 BoogieIcfgContainer
[2021-02-20 00:14:10,679 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-20 00:14:10,680 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-20 00:14:10,680 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-02-20 00:14:10,682 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-02-20 00:14:10,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:10" (1/2) ...
[2021-02-20 00:14:10,683 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d98edce and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:14:10, skipping insertion in model container
[2021-02-20 00:14:10,683 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:14:10" (2/2) ...
[2021-02-20 00:14:10,684 INFO  L111   eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl
[2021-02-20 00:14:10,687 WARN  L142   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-02-20 00:14:10,688 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-02-20 00:14:10,690 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-20 00:14:10,690 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-02-20 00:14:10,778 INFO  L149    ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions.
[2021-02-20 00:14:10,790 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 11 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
[2021-02-20 00:14:10,823 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-02-20 00:14:10,823 INFO  L377      AbstractCegarLoop]: Hoare is true
[2021-02-20 00:14:10,823 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-02-20 00:14:10,823 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-20 00:14:10,823 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-20 00:14:10,823 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-02-20 00:14:10,823 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-20 00:14:10,823 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-20 00:14:11,075 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:11,078 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:11,078 INFO  L82        PathProgramCache]: Analyzing trace with hash -1032408171, now seen corresponding path program 1 times
[2021-02-20 00:14:11,084 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:11,084 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723679321]
[2021-02-20 00:14:11,084 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:11,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:11,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 454 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked.
[2021-02-20 00:14:11,306 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723679321]
[2021-02-20 00:14:11,306 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:11,306 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:11,307 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738973881]
[2021-02-20 00:14:11,311 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:11,311 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:11,320 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:11,321 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:11,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:11,322 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:11,324 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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)
[2021-02-20 00:14:11,325 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:11,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:11,786 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-20 00:14:11,786 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:11,787 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:11,787 INFO  L82        PathProgramCache]: Analyzing trace with hash -713522954, now seen corresponding path program 2 times
[2021-02-20 00:14:11,787 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:11,787 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231558103]
[2021-02-20 00:14:11,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:11,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:11,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 247 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2021-02-20 00:14:11,836 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231558103]
[2021-02-20 00:14:11,836 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:11,836 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:11,837 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878886452]
[2021-02-20 00:14:11,839 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:11,839 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:11,841 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:11,842 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:11,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:11,842 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:11,842 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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)
[2021-02-20 00:14:11,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:11,842 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,197 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-02-20 00:14:12,197 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:12,197 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:12,197 INFO  L82        PathProgramCache]: Analyzing trace with hash -601345487, now seen corresponding path program 3 times
[2021-02-20 00:14:12,197 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:12,197 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098796848]
[2021-02-20 00:14:12,198 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:12,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:12,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked.
[2021-02-20 00:14:12,225 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098796848]
[2021-02-20 00:14:12,225 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:12,225 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:12,225 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421811619]
[2021-02-20 00:14:12,225 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:12,225 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:12,226 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:12,226 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:12,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,226 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:12,226 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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)
[2021-02-20 00:14:12,226 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,226 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,226 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,483 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-02-20 00:14:12,484 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:12,484 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:12,484 INFO  L82        PathProgramCache]: Analyzing trace with hash -603482100, now seen corresponding path program 4 times
[2021-02-20 00:14:12,484 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:12,484 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8690511]
[2021-02-20 00:14:12,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:12,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:12,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 229 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked.
[2021-02-20 00:14:12,511 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8690511]
[2021-02-20 00:14:12,511 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:12,511 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:12,511 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769375098]
[2021-02-20 00:14:12,512 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:12,512 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:12,512 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:12,512 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:12,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,512 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:12,512 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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)
[2021-02-20 00:14:12,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,751 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-02-20 00:14:12,751 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:12,751 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:12,752 INFO  L82        PathProgramCache]: Analyzing trace with hash -1250595347, now seen corresponding path program 5 times
[2021-02-20 00:14:12,752 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:12,755 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827303422]
[2021-02-20 00:14:12,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:12,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:12,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-02-20 00:14:12,794 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827303422]
[2021-02-20 00:14:12,794 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:12,794 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:12,795 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067647982]
[2021-02-20 00:14:12,795 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:12,795 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:12,795 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:12,795 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:12,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,795 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:12,795 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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)
[2021-02-20 00:14:12,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:12,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:12,967 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-02-20 00:14:12,967 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:12,968 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:12,968 INFO  L82        PathProgramCache]: Analyzing trace with hash 207619240, now seen corresponding path program 6 times
[2021-02-20 00:14:12,968 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:12,968 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750226201]
[2021-02-20 00:14:12,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:12,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:13,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-02-20 00:14:13,045 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750226201]
[2021-02-20 00:14:13,045 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-20 00:14:13,046 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-20 00:14:13,046 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887444449]
[2021-02-20 00:14:13,046 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-20 00:14:13,046 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:13,046 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-20 00:14:13,046 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-20 00:14:13,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:13,047 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:13,047 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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)
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,169 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-02-20 00:14:13,170 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:13,170 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:13,170 INFO  L82        PathProgramCache]: Analyzing trace with hash -681729021, now seen corresponding path program 7 times
[2021-02-20 00:14:13,170 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:13,170 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504650052]
[2021-02-20 00:14:13,170 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:13,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:13,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-20 00:14:13,475 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504650052]
[2021-02-20 00:14:13,476 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865410130]
[2021-02-20 00:14:13,476 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 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
[2021-02-20 00:14:13,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-20 00:14:13,530 INFO  L263         TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core
[2021-02-20 00:14:13,534 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-02-20 00:14:13,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-20 00:14:13,806 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-02-20 00:14:13,806 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14
[2021-02-20 00:14:13,807 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462547823]
[2021-02-20 00:14:13,807 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-02-20 00:14:13,807 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-20 00:14:13,807 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-02-20 00:14:13,808 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210
[2021-02-20 00:14:13,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:13,808 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-02-20 00:14:13,808 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 14 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)
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:13,808 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-02-20 00:14:14,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-02-20 00:14:14,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-02-20 00:14:14,438 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-02-20 00:14:14,439 INFO  L428      AbstractCegarLoop]: === Iteration 8 === [thread4Thread1of1ForFork3Err7INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork3Err8INUSE_VIOLATION, thread4Err4INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, thread1Err0INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-02-20 00:14:14,439 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-02-20 00:14:14,439 INFO  L82        PathProgramCache]: Analyzing trace with hash -392668511, now seen corresponding path program 8 times
[2021-02-20 00:14:14,439 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-20 00:14:14,439 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323136885]
[2021-02-20 00:14:14,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-20 00:14:14,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-20 00:14:14,447 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-20 00:14:14,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-20 00:14:14,453 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-20 00:14:14,474 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-02-20 00:14:14,474 INFO  L607         BasicCegarLoop]: Counterexample might be feasible
[2021-02-20 00:14:14,475 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-02-20 00:14:14,519 INFO  L202        PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:14:14 BasicIcfg
[2021-02-20 00:14:14,519 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: Toolchain (without parser) took 4111.94 ms. Allocated memory was 255.9 MB in the beginning and 794.8 MB in the end (delta: 539.0 MB). Free memory was 236.4 MB in the beginning and 494.2 MB in the end (delta: -257.8 MB). Peak memory consumption was 280.7 MB. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: Boogie Procedure Inliner took 20.59 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: Boogie Preprocessor took 15.07 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: RCFGBuilder took 231.15 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 233.2 MB in the end (delta: -100.3 kB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,520 INFO  L168              Benchmark]: TraceAbstraction took 3838.99 ms. Allocated memory was 255.9 MB in the beginning and 794.8 MB in the end (delta: 539.0 MB). Free memory was 233.2 MB in the beginning and 494.2 MB in the end (delta: -261.0 MB). Peak memory consumption was 276.8 MB. Max. memory is 16.0 GB.
[2021-02-20 00:14:14,521 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 20.59 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 15.07 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 231.15 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 233.2 MB in the end (delta: -100.3 kB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 3838.99 ms. Allocated memory was 255.9 MB in the beginning and 794.8 MB in the end (delta: 539.0 MB). Free memory was 233.2 MB in the beginning and 494.2 MB in the end (delta: -261.0 MB). Peak memory consumption was 276.8 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 120]: assertion can be violated
    assertion can be violated
We found a FailurePath: 
[L114]        0  assume x_0 == x_8 && y_1 == y_9;
        VAL      [x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L115]  FORK  0  fork 1 thread1();
        VAL      [x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L59]         1  f1_2 := false;
[L60]         1  f2_3 := false;
        VAL      [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L116]  FORK  0  fork 4, 4, 4, 4 thread4();
        VAL      [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L102]        2  f1_10 := false;
[L103]        2  f2_11 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L62]   FORK  1  fork 2, 2 thread2();
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L29]         3  temp_4 := x_0;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1]
[L30]         3  x_0 := temp_4 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1]
[L31]         3  f1_2 := true;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1]
[L63]   FORK  1  fork 3, 3, 3 thread3();
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1]
[L44]         4  temp_6 := y_1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=-1, y_9=-1]
[L45]         4  y_1 := temp_6 + 1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1]
[L46]         4  f2_3 := true;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1]
[L32]         3  assume f2_3;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1]
[L33]         3  temp_5 := y_1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1]
[L34]         3  y_1 := temp_5 + 1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1]
[L47]         4  assume f1_2;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1]
[L35]         3  f1_2 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1]
[L48]         4  temp_7 := x_0;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=1, y_9=-1]
[L49]         4  x_0 := temp_7 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1]
[L50]         4  f2_3 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1]
[L36]         3  assume !f2_3;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1]
[L29]         3  temp_4 := x_0;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1]
[L30]         3  x_0 := temp_4 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1]
[L51]         4  assume !f1_2;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1]
[L31]         3  f1_2 := true;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=-1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1]
[L44]         4  temp_6 := y_1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=1, y_9=-1]
[L45]         4  y_1 := temp_6 + 1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1]
[L46]         4  f2_3 := true;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1]
[L32]         3  assume f2_3;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=0, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1]
[L33]         3  temp_5 := y_1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=2, y_9=-1]
[L34]         3  y_1 := temp_5 + 1;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1]
[L47]         4  assume f1_2;
        VAL      [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1]
[L35]         3  f1_2 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=0, x_0=2, x_8=-1, y_1=3, y_9=-1]
[L48]         4  temp_7 := x_0;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=2, x_8=-1, y_1=3, y_9=-1]
[L49]         4  x_0 := temp_7 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L50]         4  f2_3 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L36]         3  assume !f2_3;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L51]         4  assume !f1_2;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L105]  FORK  2  fork 5, 5, 5, 5, 5 thread5();
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L72]         5  temp_12 := x_8;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=-1, y_1=3, y_9=-1]
[L73]         5  x_8 := temp_12 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=-1]
[L74]         5  f1_10 := true;
        VAL      [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=-1]
[L106]  FORK  2  fork 6, 6, 6, 6, 6, 6 thread6();
        VAL      [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=-1]
[L87]         6  temp_14 := y_9;
        VAL      [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=-1]
[L88]         6  y_9 := temp_14 + 1;
        VAL      [f1_10=true, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=0]
[L89]         6  f2_11 := true;
        VAL      [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=0]
[L75]         5  assume f2_11;
        VAL      [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=0]
[L76]         5  temp_13 := y_9;
        VAL      [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=0]
[L77]         5  y_9 := temp_13 + 1;
        VAL      [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1]
[L90]         6  assume f1_10;
        VAL      [f1_10=true, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1]
[L78]         5  f1_10 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1]
[L91]         6  temp_15 := x_8;
        VAL      [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=0, y_1=3, y_9=1]
[L92]         6  x_8 := temp_15 + 1;
        VAL      [f1_10=false, f1_2=false, f2_11=true, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L93]         6  f2_11 := false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L79]         5  assume !f2_11;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L94]         6  assume !f1_10;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L64]   JOIN  3  join 2, 2;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L65]   JOIN  4  join 3, 3, 3;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L117]  JOIN  1  join 1;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L107]  JOIN  5  join 5, 5, 5, 5, 5;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L108]  JOIN  6  join 6, 6, 6, 6, 6, 6;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L118]  JOIN  2  join 4, 4, 4, 4;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L119]        0  assume !(x_0 == x_8 && y_1 == y_9);
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]
[L120]        0  assert false;
        VAL      [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_12=-1, temp_13=0, temp_14=-1, temp_15=0, temp_4=1, temp_5=2, temp_6=1, temp_7=2, x_0=3, x_8=1, y_1=3, y_9=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 951 NumberOfCodeBlocks, 951 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 196544 SizeOfPredicates, 16 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1255/1263 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...