/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 08:42:39,333 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-19 08:42:39,335 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-19 08:42:39,405 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 08:42:39,406 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 08:42:39,407 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 08:42:39,409 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2022-02-19 08:42:39,416 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 08:42:39,416 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
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[2022-02-19 08:42:39,421 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-19 08:42:39,423 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 08:42:39,424 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 08:42:39,425 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf
[2022-02-19 08:42:39,440 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-19 08:42:39,441 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 08:42:39,441 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 08:42:39,441 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 08:42:39,442 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 08:42:39,442 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 08:42:39,442 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 08:42:39,442 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-19 08:42:39,443 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 08:42:39,443 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-19 08:42:39,444 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 08:42:39,444 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 08:42:39,445 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 08:42:39,445 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 08:42:39,446 INFO  L138        SettingsManager]:  * MCR: Overapproximate write-read-write conflicts=false
[2022-02-19 08:42:39,447 INFO  L138        SettingsManager]:  * MCR: Optimize fork and join=false
[2022-02-19 08:42:39,447 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 08:42:39,624 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 08:42:39,640 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 08:42:39,642 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 08:42:39,642 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-19 08:42:39,643 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-19 08:42:39,644 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c
[2022-02-19 08:42:39,699 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147e6fe58/7ddcc30655ff4cb8aed89a6623e89048/FLAG77f8247c0
[2022-02-19 08:42:40,075 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-19 08:42:40,075 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c
[2022-02-19 08:42:40,084 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147e6fe58/7ddcc30655ff4cb8aed89a6623e89048/FLAG77f8247c0
[2022-02-19 08:42:40,095 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147e6fe58/7ddcc30655ff4cb8aed89a6623e89048
[2022-02-19 08:42:40,098 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 08:42:40,100 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 08:42:40,102 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 08:42:40,102 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 08:42:40,104 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 08:42:40,105 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,106 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779a65c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40, skipping insertion in model container
[2022-02-19 08:42:40,106 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,110 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-19 08:42:40,131 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-19 08:42:40,281 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2924,2937]
[2022-02-19 08:42:40,285 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-19 08:42:40,289 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-19 08:42:40,303 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2924,2937]
[2022-02-19 08:42:40,305 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-19 08:42:40,314 INFO  L208         MainTranslator]: Completed translation
[2022-02-19 08:42:40,314 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40 WrapperNode
[2022-02-19 08:42:40,314 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 08:42:40,315 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 08:42:40,315 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 08:42:40,315 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 08:42:40,319 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,325 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,340 INFO  L137                Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 191
[2022-02-19 08:42:40,341 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 08:42:40,341 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 08:42:40,341 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 08:42:40,341 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 08:42:40,346 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,347 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,349 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,349 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,354 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,356 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,357 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,359 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 08:42:40,360 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 08:42:40,360 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 08:42:40,360 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-19 08:42:40,360 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (1/1) ...
[2022-02-19 08:42:40,365 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 08:42:40,374 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 08:42:40,384 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-19 08:42:40,386 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-19 08:42:40,415 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-19 08:42:40,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-19 08:42:40,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 08:42:40,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-19 08:42:40,416 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 08:42:40,417 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 08:42:40,476 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-19 08:42:40,477 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 08:42:40,736 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-19 08:42:40,783 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 08:42:40,783 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2022-02-19 08:42:40,785 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:42:40 BoogieIcfgContainer
[2022-02-19 08:42:40,785 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 08:42:40,786 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 08:42:40,786 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 08:42:40,790 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-19 08:42:40,790 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 08:42:40" (1/3) ...
[2022-02-19 08:42:40,790 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e8dd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:42:40, skipping insertion in model container
[2022-02-19 08:42:40,790 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:42:40" (2/3) ...
[2022-02-19 08:42:40,791 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e8dd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:42:40, skipping insertion in model container
[2022-02-19 08:42:40,791 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:42:40" (3/3) ...
[2022-02-19 08:42:40,794 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c
[2022-02-19 08:42:40,798 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 08:42:40,798 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 08:42:40,799 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 08:42:40,799 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 08:42:40,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,843 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,843 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,843 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,844 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,845 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,846 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,846 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,849 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,850 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,850 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,850 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,850 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,850 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,851 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,851 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,851 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 08:42:40,860 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-02-19 08:42:40,889 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 08:42:40,890 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 08:42:40,891 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 08:42:40,892 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-19 08:42:40,911 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 08:42:40,915 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false
[2022-02-19 08:42:40,915 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-19 08:42:41,020 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 189 transitions and produced 190 states.
[2022-02-19 08:42:41,022 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:42:41,031 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:42:41,031 INFO  L85        PathProgramCache]: Analyzing trace with hash -265489448, now seen corresponding path program 1 times
[2022-02-19 08:42:41,037 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:42:41,038 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116203776]
[2022-02-19 08:42:41,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:42:41,038 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:42:41,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:42:41,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 08:42:41,217 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:42:41,218 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116203776]
[2022-02-19 08:42:41,218 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116203776] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 08:42:41,218 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 08:42:41,218 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 08:42:41,220 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132644567]
[2022-02-19 08:42:41,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 08:42:41,227 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-19 08:42:41,227 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:42:41,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-19 08:42:41,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-19 08:42:41,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,247 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:42:41,249 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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)
[2022-02-19 08:42:41,249 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,295 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 189 transitions and produced 190 states.
[2022-02-19 08:42:41,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,296 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 08:42:41,296 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:42:41,297 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:42:41,297 INFO  L85        PathProgramCache]: Analyzing trace with hash -1192814089, now seen corresponding path program 1 times
[2022-02-19 08:42:41,299 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:42:41,299 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151115360]
[2022-02-19 08:42:41,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:42:41,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:42:41,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:42:41,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 08:42:41,535 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:42:41,535 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151115360]
[2022-02-19 08:42:41,535 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151115360] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 08:42:41,535 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 08:42:41,536 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-19 08:42:41,536 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270492808]
[2022-02-19 08:42:41,536 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 08:42:41,537 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 08:42:41,537 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:42:41,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 08:42:41,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-02-19 08:42:41,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,538 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:42:41,538 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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)
[2022-02-19 08:42:41,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,742 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 210 transitions and produced 211 states.
[2022-02-19 08:42:41,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:41,743 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-19 08:42:41,743 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:42:41,743 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:42:41,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -1542632528, now seen corresponding path program 1 times
[2022-02-19 08:42:41,744 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:42:41,744 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512749608]
[2022-02-19 08:42:41,744 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:42:41,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:42:41,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:42:41,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 08:42:41,853 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:42:41,853 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512749608]
[2022-02-19 08:42:41,853 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512749608] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 08:42:41,853 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 08:42:41,854 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-19 08:42:41,854 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591842056]
[2022-02-19 08:42:41,854 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 08:42:41,854 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 08:42:41,854 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:42:41,855 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 08:42:41,855 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-19 08:42:41,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,855 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:42:41,855 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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)
[2022-02-19 08:42:41,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:41,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,967 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 228 transitions and produced 220 states.
[2022-02-19 08:42:41,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:41,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:41,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-19 08:42:41,968 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-19 08:42:41,968 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:42:41,969 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:42:41,969 INFO  L85        PathProgramCache]: Analyzing trace with hash -1935478227, now seen corresponding path program 1 times
[2022-02-19 08:42:41,969 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:42:41,970 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749929817]
[2022-02-19 08:42:41,970 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:42:41,970 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:42:42,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:42:42,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 08:42:42,085 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:42:42,086 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749929817]
[2022-02-19 08:42:42,086 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749929817] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 08:42:42,086 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 08:42:42,086 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-19 08:42:42,086 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468698846]
[2022-02-19 08:42:42,086 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 08:42:42,087 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-19 08:42:42,087 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:42:42,087 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-19 08:42:42,087 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2022-02-19 08:42:42,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,088 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:42:42,088 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 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)
[2022-02-19 08:42:42,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:42,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-19 08:42:42,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,292 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 400 transitions and produced 317 states.
[2022-02-19 08:42:42,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:42,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-19 08:42:42,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:42:42,293 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 08:42:42,294 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:42:42,295 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:42:42,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1117015232, now seen corresponding path program 1 times
[2022-02-19 08:42:42,296 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:42:42,296 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442590709]
[2022-02-19 08:42:42,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:42:42,296 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:42:42,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:42:42,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-19 08:42:42,417 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:42:42,417 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442590709]
[2022-02-19 08:42:42,418 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442590709] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 08:42:42,418 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 08:42:42,418 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 08:42:42,418 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845373356]
[2022-02-19 08:42:42,418 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 08:42:42,418 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-19 08:42:42,419 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:42:42,419 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-19 08:42:42,419 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-19 08:42:42,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,419 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:42:42,420 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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)
[2022-02-19 08:42:42,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:42:42,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:42:42,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-19 08:42:42,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:42:42,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:48:35,006 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 171056 transitions and produced 79005 states.
[2022-02-19 08:48:35,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:48:35,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:48:35,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:48:35,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:48:35,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:48:35,020 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-19 08:48:35,020 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-19 08:48:35,021 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 08:48:35,021 INFO  L85        PathProgramCache]: Analyzing trace with hash 144063278, now seen corresponding path program 1 times
[2022-02-19 08:48:35,021 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 08:48:35,021 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919677612]
[2022-02-19 08:48:35,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:48:35,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 08:48:35,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:48:36,301 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-19 08:48:36,302 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 08:48:36,302 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919677612]
[2022-02-19 08:48:36,302 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919677612] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 08:48:36,302 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770284678]
[2022-02-19 08:48:36,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 08:48:36,302 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 08:48:36,302 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 08:48:36,331 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-19 08:48:36,368 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-19 08:48:36,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 08:48:36,519 INFO  L263         TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 42 conjunts are in the unsatisfiable core
[2022-02-19 08:48:36,526 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 08:48:38,984 INFO  L353             Elim1Store]: treesize reduction 54, result has 5.3 percent of original size
[2022-02-19 08:48:38,985 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 13
[2022-02-19 08:48:39,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-19 08:48:39,037 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 08:48:39,518 INFO  L353             Elim1Store]: treesize reduction 23, result has 58.2 percent of original size
[2022-02-19 08:48:39,519 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49
[2022-02-19 08:48:41,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-19 08:48:41,741 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [770284678] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 08:48:41,741 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 08:48:41,741 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 19] total 48
[2022-02-19 08:48:41,741 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814826377]
[2022-02-19 08:48:41,741 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 08:48:41,742 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 48 states
[2022-02-19 08:48:41,742 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 08:48:41,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants.
[2022-02-19 08:48:41,745 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=1784, Unknown=0, NotChecked=0, Total=2256
[2022-02-19 08:48:41,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:48:41,745 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 08:48:41,746 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 48 states, 48 states have (on average 8.166666666666666) internal successors, (392), 48 states have internal predecessors, (392), 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)
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-19 08:48:41,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.