/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 13:59:39,786 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-10 13:59:39,788 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-10 13:59:39,858 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-10 13:59:39,858 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-10 13:59:39,859 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-10 13:59:39,860 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2022-02-10 13:59:39,869 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-02-10 13:59:39,881 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-10 13:59:39,882 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 13:59:39,887 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-MCRwithoutDepranks-Lazy.epf
[2022-02-10 13:59:39,902 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-10 13:59:39,902 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 13:59:39,903 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 13:59:39,903 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 13:59:39,903 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 13:59:39,903 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 13:59:39,904 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-10 13:59:39,904 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-10 13:59:39,904 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-10 13:59:39,905 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-10 13:59:39,905 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 13:59:39,906 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-10 13:59:39,906 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 13:59:39,907 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-02-10 13:59:39,907 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 13:59:40,074 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 13:59:40,103 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 13:59:40,105 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 13:59:40,105 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-10 13:59:40,106 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-10 13:59:40,107 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c
[2022-02-10 13:59:40,174 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36764599b/ba7e2b690b8b46abab96adae8e26a4fa/FLAG90f9d5641
[2022-02-10 13:59:40,510 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-10 13:59:40,511 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c
[2022-02-10 13:59:40,523 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36764599b/ba7e2b690b8b46abab96adae8e26a4fa/FLAG90f9d5641
[2022-02-10 13:59:40,946 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36764599b/ba7e2b690b8b46abab96adae8e26a4fa
[2022-02-10 13:59:40,949 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 13:59:40,950 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 13:59:40,952 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 13:59:40,952 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 13:59:40,955 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 13:59:40,955 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:59:40" (1/1) ...
[2022-02-10 13:59:40,956 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1e55a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:40, skipping insertion in model container
[2022-02-10 13:59:40,956 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:59:40" (1/1) ...
[2022-02-10 13:59:40,961 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-10 13:59:40,980 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-10 13:59:41,136 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/parallel-lamport.wvr.c[4210,4223]
[2022-02-10 13:59:41,148 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-10 13:59:41,153 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-10 13:59:41,171 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/parallel-lamport.wvr.c[4210,4223]
[2022-02-10 13:59:41,173 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-10 13:59:41,183 INFO  L208         MainTranslator]: Completed translation
[2022-02-10 13:59:41,184 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41 WrapperNode
[2022-02-10 13:59:41,184 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 13:59:41,185 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 13:59:41,185 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 13:59:41,185 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 13:59:41,190 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,195 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,214 INFO  L137                Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 235
[2022-02-10 13:59:41,214 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 13:59:41,215 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 13:59:41,215 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 13:59:41,215 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 13:59:41,221 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,221 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,223 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,223 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,232 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,235 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,236 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,238 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 13:59:41,239 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 13:59:41,239 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 13:59:41,239 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-10 13:59:41,240 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (1/1) ...
[2022-02-10 13:59:41,254 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 13:59:41,264 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 13:59:41,274 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)
[2022-02-10 13:59:41,280 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
[2022-02-10 13:59:41,303 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 13:59:41,303 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-10 13:59:41,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-10 13:59:41,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-10 13:59:41,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-10 13:59:41,304 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-10 13:59:41,305 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-10 13:59:41,305 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-02-10 13:59:41,305 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 13:59:41,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 13:59:41,305 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 13:59:41,306 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 13:59:41,395 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-10 13:59:41,396 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 13:59:41,637 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-10 13:59:41,687 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 13:59:41,687 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-10 13:59:41,689 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:59:41 BoogieIcfgContainer
[2022-02-10 13:59:41,689 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 13:59:41,690 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 13:59:41,690 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 13:59:41,693 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-10 13:59:41,693 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:59:40" (1/3) ...
[2022-02-10 13:59:41,694 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@801494d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:59:41, skipping insertion in model container
[2022-02-10 13:59:41,694 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:59:41" (2/3) ...
[2022-02-10 13:59:41,694 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@801494d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:59:41, skipping insertion in model container
[2022-02-10 13:59:41,694 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:59:41" (3/3) ...
[2022-02-10 13:59:41,695 INFO  L111   eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c
[2022-02-10 13:59:41,699 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 13:59:41,699 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 13:59:41,699 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 13:59:41,699 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 13:59:41,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,736 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,737 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,738 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,738 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,738 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,738 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,738 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,742 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 13:59:41,746 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-10 13:59:41,776 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-10 13:59:41,776 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 13:59:41,778 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)
[2022-02-10 13:59:41,779 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
[2022-02-10 13:59:41,807 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 13:59:41,811 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
[2022-02-10 13:59:41,812 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-10 13:59:42,646 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 246 transitions and produced 247 states.
[2022-02-10 13:59:42,649 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 13:59:42,656 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 13:59:42,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 293559838, now seen corresponding path program 1 times
[2022-02-10 13:59:42,663 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 13:59:42,663 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322467040]
[2022-02-10 13:59:42,664 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:42,664 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 13:59:42,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:42,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:42,911 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 13:59:42,912 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322467040]
[2022-02-10 13:59:42,915 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322467040] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 13:59:42,920 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 13:59:42,920 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-10 13:59:42,922 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972991147]
[2022-02-10 13:59:42,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 13:59:42,928 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-10 13:59:42,929 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 13:59:42,949 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-10 13:59:42,950 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-10 13:59:42,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:42,952 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 13:59:42,954 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 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)
[2022-02-10 13:59:42,954 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:43,534 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 246 transitions and produced 247 states.
[2022-02-10 13:59:43,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:43,535 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 13:59:43,535 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 13:59:43,539 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 13:59:43,539 INFO  L85        PathProgramCache]: Analyzing trace with hash -1581827277, now seen corresponding path program 1 times
[2022-02-10 13:59:43,539 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 13:59:43,539 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812360076]
[2022-02-10 13:59:43,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:43,539 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 13:59:43,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:43,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:43,828 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 13:59:43,828 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812360076]
[2022-02-10 13:59:43,828 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812360076] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 13:59:43,829 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 13:59:43,829 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-10 13:59:43,829 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034537325]
[2022-02-10 13:59:43,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 13:59:43,830 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-10 13:59:43,830 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 13:59:43,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-10 13:59:43,831 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2022-02-10 13:59:43,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:43,832 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 13:59:43,832 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 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)
[2022-02-10 13:59:43,832 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:43,832 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:44,426 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 275 transitions and produced 276 states.
[2022-02-10 13:59:44,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:44,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 13:59:44,427 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 13:59:44,427 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 13:59:44,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 13:59:44,427 INFO  L85        PathProgramCache]: Analyzing trace with hash -1081284523, now seen corresponding path program 1 times
[2022-02-10 13:59:44,428 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 13:59:44,428 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353828383]
[2022-02-10 13:59:44,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:44,428 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 13:59:44,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:45,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:45,899 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 13:59:45,899 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353828383]
[2022-02-10 13:59:45,899 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353828383] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 13:59:45,899 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519612617]
[2022-02-10 13:59:45,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:45,900 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 13:59:45,900 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 13:59:45,902 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)
[2022-02-10 13:59:45,903 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-10 13:59:46,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:46,052 INFO  L263         TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 33 conjunts are in the unsatisfiable core
[2022-02-10 13:59:46,062 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 13:59:46,845 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-10 13:59:46,846 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10
[2022-02-10 13:59:46,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:46,877 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 13:59:47,029 INFO  L353             Elim1Store]: treesize reduction 9, result has 43.8 percent of original size
[2022-02-10 13:59:47,030 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11
[2022-02-10 13:59:47,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:47,585 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519612617] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 13:59:47,585 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 13:59:47,585 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 15, 15] total 52
[2022-02-10 13:59:47,585 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386603475]
[2022-02-10 13:59:47,585 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 13:59:47,586 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 52 states
[2022-02-10 13:59:47,586 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 13:59:47,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants.
[2022-02-10 13:59:47,589 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2403, Unknown=0, NotChecked=0, Total=2652
[2022-02-10 13:59:47,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:47,589 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 13:59:47,589 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 52 states, 52 states have (on average 6.3076923076923075) internal successors, (328), 52 states have internal predecessors, (328), 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)
[2022-02-10 13:59:47,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:47,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 13:59:47,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:54,594 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 648 transitions and produced 649 states.
[2022-02-10 13:59:54,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:54,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 13:59:54,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-10 13:59:54,615 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-10 13:59:54,796 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-02-10 13:59:54,796 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 13:59:54,797 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 13:59:54,797 INFO  L85        PathProgramCache]: Analyzing trace with hash 1435455777, now seen corresponding path program 2 times
[2022-02-10 13:59:54,797 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 13:59:54,797 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235906354]
[2022-02-10 13:59:54,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:54,798 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 13:59:54,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:56,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:56,043 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 13:59:56,043 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235906354]
[2022-02-10 13:59:56,043 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235906354] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 13:59:56,044 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107589218]
[2022-02-10 13:59:56,044 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-10 13:59:56,044 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 13:59:56,044 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 13:59:56,045 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 13:59:56,046 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-10 13:59:56,158 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-02-10 13:59:56,158 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 13:59:56,161 INFO  L263         TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 31 conjunts are in the unsatisfiable core
[2022-02-10 13:59:56,164 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 13:59:56,678 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-10 13:59:56,679 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26
[2022-02-10 13:59:56,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-10 13:59:56,701 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-10 13:59:56,702 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107589218] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 13:59:56,702 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-10 13:59:56,702 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33] total 41
[2022-02-10 13:59:56,702 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794621480]
[2022-02-10 13:59:56,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 13:59:56,702 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-10 13:59:56,703 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 13:59:56,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-10 13:59:56,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1524, Unknown=0, NotChecked=0, Total=1640
[2022-02-10 13:59:56,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:56,704 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 13:59:56,704 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 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)
[2022-02-10 13:59:56,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:56,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 13:59:56,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. 
[2022-02-10 13:59:56,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:59,336 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 751 transitions and produced 752 states.
[2022-02-10 13:59:59,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 13:59:59,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 13:59:59,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-10 13:59:59,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-10 13:59:59,356 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2022-02-10 13:59:59,537 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 13:59:59,538 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 13:59:59,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 13:59:59,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -681520581, now seen corresponding path program 3 times
[2022-02-10 13:59:59,538 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 13:59:59,539 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401291735]
[2022-02-10 13:59:59,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 13:59:59,539 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 13:59:59,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 13:59:59,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 13:59:59,977 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 13:59:59,977 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401291735]
[2022-02-10 13:59:59,977 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401291735] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 13:59:59,977 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251163773]
[2022-02-10 13:59:59,978 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-10 13:59:59,978 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 13:59:59,978 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 13:59:59,979 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 13:59:59,980 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-10 14:00:00,073 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2022-02-10 14:00:00,074 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 14:00:00,077 INFO  L263         TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 31 conjunts are in the unsatisfiable core
[2022-02-10 14:00:00,081 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 14:00:00,514 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-10 14:00:00,515 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26
[2022-02-10 14:00:00,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-10 14:00:00,535 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-10 14:00:00,536 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251163773] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 14:00:00,536 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-10 14:00:00,536 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [25] total 33
[2022-02-10 14:00:00,536 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765876424]
[2022-02-10 14:00:00,536 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 14:00:00,537 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-10 14:00:00,537 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 14:00:00,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-10 14:00:00,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=971, Unknown=0, NotChecked=0, Total=1056
[2022-02-10 14:00:00,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:00:00,538 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 14:00:00,538 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 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)
[2022-02-10 14:00:00,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:00:00,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-10 14:00:00,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. 
[2022-02-10 14:00:00,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-10 14:00:00,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.