/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl


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


This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a
[2021-04-15 07:32:51,173 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-04-15 07:32:51,224 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-04-15 07:32:51,225 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2021-04-15 07:32:51,226 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2021-04-15 07:32:51,232 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-04-15 07:32:51,233 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-04-15 07:32:51,237 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-04-15 07:32:51,238 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-04-15 07:32:51,239 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-04-15 07:32:51,241 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-04-15 07:32:51,242 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-04-15 07:32:51,242 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-04-15 07:32:51,245 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-NewStatesSleep-NoLbe.epf
[2021-04-15 07:32:51,271 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-04-15 07:32:51,271 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-04-15 07:32:51,271 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-04-15 07:32:51,271 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-04-15 07:32:51,273 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-04-15 07:32:51,274 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-04-15 07:32:51,274 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-04-15 07:32:51,274 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-04-15 07:32:51,274 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-04-15 07:32:51,274 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-04-15 07:32:51,274 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-04-15 07:32:51,275 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-04-15 07:32:51,275 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-04-15 07:32:51,276 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-04-15 07:32:51,276 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2021-04-15 07:32:51,277 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-04-15 07:32:51,494 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-04-15 07:32:51,519 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-04-15 07:32:51,520 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-04-15 07:32:51,521 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-04-15 07:32:51,522 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-04-15 07:32:51,523 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl
[2021-04-15 07:32:51,523 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl'
[2021-04-15 07:32:51,557 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-04-15 07:32:51,558 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-04-15 07:32:51,559 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-04-15 07:32:51,559 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-04-15 07:32:51,560 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-04-15 07:32:51,568 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,573 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,578 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-04-15 07:32:51,580 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-04-15 07:32:51,580 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-04-15 07:32:51,580 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-04-15 07:32:51,586 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,586 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,587 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,587 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,589 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,590 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,590 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/1) ...
[2021-04-15 07:32:51,591 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-04-15 07:32:51,592 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-04-15 07:32:51,592 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-04-15 07:32:51,592 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-04-15 07:32:51,593 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (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
[2021-04-15 07:32:51,659 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration
[2021-04-15 07:32:51,659 INFO  L130     BoogieDeclarations]: Found specification of procedure set_1
[2021-04-15 07:32:51,659 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_1
[2021-04-15 07:32:51,660 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration
[2021-04-15 07:32:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure set_2
[2021-04-15 07:32:51,660 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_2
[2021-04-15 07:32:51,660 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration
[2021-04-15 07:32:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure set_3
[2021-04-15 07:32:51,660 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_3
[2021-04-15 07:32:51,660 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration
[2021-04-15 07:32:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure set_4
[2021-04-15 07:32:51,660 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_4
[2021-04-15 07:32:51,661 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration
[2021-04-15 07:32:51,662 INFO  L130     BoogieDeclarations]: Found specification of procedure set_0
[2021-04-15 07:32:51,662 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_0
[2021-04-15 07:32:51,662 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration
[2021-04-15 07:32:51,662 INFO  L130     BoogieDeclarations]: Found specification of procedure set_9
[2021-04-15 07:32:51,662 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_9
[2021-04-15 07:32:51,662 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-04-15 07:32:51,662 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-04-15 07:32:51,662 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-04-15 07:32:51,662 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration
[2021-04-15 07:32:51,662 INFO  L130     BoogieDeclarations]: Found specification of procedure set_12
[2021-04-15 07:32:51,663 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_12
[2021-04-15 07:32:51,663 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration
[2021-04-15 07:32:51,663 INFO  L130     BoogieDeclarations]: Found specification of procedure set_5
[2021-04-15 07:32:51,663 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_5
[2021-04-15 07:32:51,663 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration
[2021-04-15 07:32:51,663 INFO  L130     BoogieDeclarations]: Found specification of procedure set_6
[2021-04-15 07:32:51,663 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_6
[2021-04-15 07:32:51,663 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration
[2021-04-15 07:32:51,663 INFO  L130     BoogieDeclarations]: Found specification of procedure set_10
[2021-04-15 07:32:51,663 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_10
[2021-04-15 07:32:51,663 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration
[2021-04-15 07:32:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure set_7
[2021-04-15 07:32:51,664 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_7
[2021-04-15 07:32:51,664 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration
[2021-04-15 07:32:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure set_11
[2021-04-15 07:32:51,664 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_11
[2021-04-15 07:32:51,664 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration
[2021-04-15 07:32:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure set_8
[2021-04-15 07:32:51,664 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_8
[2021-04-15 07:32:51,665 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-04-15 07:32:51,812 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-04-15 07:32:51,812 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-04-15 07:32:51,814 INFO  L202        PluginConnector]: Adding new model example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 07:32:51 BoogieIcfgContainer
[2021-04-15 07:32:51,814 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-04-15 07:32:51,816 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-04-15 07:32:51,816 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-04-15 07:32:51,817 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-04-15 07:32:51,818 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 07:32:51" (1/2) ...
[2021-04-15 07:32:51,818 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2863d8a5 and model type example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 07:32:51, skipping insertion in model container
[2021-04-15 07:32:51,818 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 07:32:51" (2/2) ...
[2021-04-15 07:32:51,819 INFO  L111   eAbstractionObserver]: Analyzing ICFG example_13.bpl
[2021-04-15 07:32:51,823 WARN  L142   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-04-15 07:32:51,823 INFO  L153   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-04-15 07:32:51,833 INFO  L165   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-04-15 07:32:51,834 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-04-15 07:32:52,071 INFO  L149    ThreadInstanceAdder]: Constructed 169 joinOtherThreadTransitions.
[2021-04-15 07:32:52,083 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 14 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
[2021-04-15 07:32:52,134 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-04-15 07:32:52,134 INFO  L377      AbstractCegarLoop]: Hoare is true
[2021-04-15 07:32:52,134 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-04-15 07:32:52,134 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-04-15 07:32:52,134 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-04-15 07:32:52,135 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-04-15 07:32:52,135 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-04-15 07:32:52,135 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-04-15 07:32:52,229 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,233 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,234 INFO  L82        PathProgramCache]: Analyzing trace with hash -2093172009, now seen corresponding path program 1 times
[2021-04-15 07:32:52,240 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,241 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086403337]
[2021-04-15 07:32:52,241 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,404 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086403337]
[2021-04-15 07:32:52,405 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,405 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,405 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516310539]
[2021-04-15 07:32:52,409 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,409 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,422 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,424 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,426 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,429 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,481 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-04-15 07:32:52,481 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,484 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,484 INFO  L82        PathProgramCache]: Analyzing trace with hash -14210767, now seen corresponding path program 1 times
[2021-04-15 07:32:52,484 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,485 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840607763]
[2021-04-15 07:32:52,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,551 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840607763]
[2021-04-15 07:32:52,551 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,551 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,551 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540223413]
[2021-04-15 07:32:52,555 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,555 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,556 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,556 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,556 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,557 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,557 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,557 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,593 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,594 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-04-15 07:32:52,594 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,595 INFO  L82        PathProgramCache]: Analyzing trace with hash -1071337837, now seen corresponding path program 1 times
[2021-04-15 07:32:52,596 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,596 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127525840]
[2021-04-15 07:32:52,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,632 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127525840]
[2021-04-15 07:32:52,632 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,633 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,633 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841470520]
[2021-04-15 07:32:52,634 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,634 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,643 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,643 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,644 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,644 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,674 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-04-15 07:32:52,675 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,675 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,676 INFO  L82        PathProgramCache]: Analyzing trace with hash 1723603249, now seen corresponding path program 1 times
[2021-04-15 07:32:52,676 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,678 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014188626]
[2021-04-15 07:32:52,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,736 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014188626]
[2021-04-15 07:32:52,736 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,736 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,736 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987251744]
[2021-04-15 07:32:52,736 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,736 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,737 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,737 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,737 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,737 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,755 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-04-15 07:32:52,755 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,756 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,756 INFO  L82        PathProgramCache]: Analyzing trace with hash 1511447631, now seen corresponding path program 1 times
[2021-04-15 07:32:52,756 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,756 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657399901]
[2021-04-15 07:32:52,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,792 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657399901]
[2021-04-15 07:32:52,792 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,792 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,793 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896132634]
[2021-04-15 07:32:52,793 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,794 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,794 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,794 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,794 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,795 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,827 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-04-15 07:32:52,827 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,827 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,828 INFO  L82        PathProgramCache]: Analyzing trace with hash -825694603, now seen corresponding path program 1 times
[2021-04-15 07:32:52,828 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,828 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148371933]
[2021-04-15 07:32:52,828 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,861 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148371933]
[2021-04-15 07:32:52,861 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,861 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,861 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029938191]
[2021-04-15 07:32:52,862 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,862 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,863 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,863 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,863 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,863 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,863 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,863 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,863 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,863 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,863 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,895 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-04-15 07:32:52,895 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,896 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,896 INFO  L82        PathProgramCache]: Analyzing trace with hash 1847499855, now seen corresponding path program 1 times
[2021-04-15 07:32:52,896 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,896 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877179423]
[2021-04-15 07:32:52,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,926 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877179423]
[2021-04-15 07:32:52,926 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,926 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,926 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507300812]
[2021-04-15 07:32:52,927 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,927 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,927 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,927 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,928 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,928 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,951 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-04-15 07:32:52,951 INFO  L428      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:52,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:52,952 INFO  L82        PathProgramCache]: Analyzing trace with hash -871737103, now seen corresponding path program 1 times
[2021-04-15 07:32:52,952 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:52,952 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590395593]
[2021-04-15 07:32:52,953 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:52,959 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:52,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:52,988 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590395593]
[2021-04-15 07:32:52,988 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:52,988 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-04-15 07:32:52,988 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897184171]
[2021-04-15 07:32:52,988 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-04-15 07:32:52,988 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:52,989 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-04-15 07:32:52,989 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-04-15 07:32:52,989 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:52,989 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:52,989 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2021-04-15 07:32:52,989 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,989 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,989 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:52,990 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:53,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,018 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-04-15 07:32:53,019 INFO  L428      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]===
[2021-04-15 07:32:53,019 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-04-15 07:32:53,019 INFO  L82        PathProgramCache]: Analyzing trace with hash -870814543, now seen corresponding path program 1 times
[2021-04-15 07:32:53,019 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-04-15 07:32:53,019 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393284306]
[2021-04-15 07:32:53,019 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-04-15 07:32:53,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-04-15 07:32:53,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-04-15 07:32:53,730 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393284306]
[2021-04-15 07:32:53,730 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-04-15 07:32:53,730 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2021-04-15 07:32:53,732 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162438536]
[2021-04-15 07:32:53,732 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-04-15 07:32:53,732 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-04-15 07:32:53,733 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-04-15 07:32:53,734 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210
[2021-04-15 07:32:53,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-04-15 07:32:53,734 INFO  L480      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-04-15 07:32:53,735 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 15 states have internal predecessors, (53), 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)
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-04-15 07:32:53,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.