/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/pthread/sync01.i


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19
[2022-03-16 12:35:20,750 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-03-16 12:35:20,753 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-03-16 12:35:20,829 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-03-16 12:35:20,830 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-03-16 12:35:20,833 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-03-16 12:35:20,835 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-03-16 12:35:20,838 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-03-16 12:35:20,839 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-03-16 12:35:20,843 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-03-16 12:35:20,845 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-03-16 12:35:20,847 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-03-16 12:35:20,849 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-03-16 12:35:20,849 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-03-16 12:35:20,850 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-03-16 12:35:20,851 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-03-16 12:35:20,852 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-03-16 12:35:20,853 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-03-16 12:35:20,854 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-03-16 12:35:20,856 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-03-16 12:35:20,857 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-03-16 12:35:20,858 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-03-16 12:35:20,865 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-03-16 12:35:20,866 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-03-16 12:35:20,866 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-03-16 12:35:20,869 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-03-16 12:35:20,869 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-03-16 12:35:20,870 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-03-16 12:35:20,871 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-03-16 12:35:20,873 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-03-16 12:35:20,876 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
[2022-03-16 12:35:20,905 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-16 12:35:20,905 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-16 12:35:20,906 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-03-16 12:35:20,906 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-03-16 12:35:20,907 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-16 12:35:20,907 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-16 12:35:20,907 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-16 12:35:20,908 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-16 12:35:20,908 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-16 12:35:20,908 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-03-16 12:35:20,909 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-16 12:35:20,910 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-16 12:35:20,910 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-16 12:35:20,910 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-16 12:35:20,910 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-16 12:35:20,910 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-03-16 12:35:20,911 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-16 12:35:20,911 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-16 12:35:20,911 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-03-16 12:35:20,912 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-03-16 12:35:20,913 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-16 12:35:20,913 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-03-16 12:35:20,913 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-03-16 12:35:21,140 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-16 12:35:21,171 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-16 12:35:21,174 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-16 12:35:21,175 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-03-16 12:35:21,176 INFO  L275        PluginConnector]: CDTParser initialized
[2022-03-16 12:35:21,177 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i
[2022-03-16 12:35:21,237 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d97ec8fd/e1ab8223134847009d810838d38d6eab/FLAG7c1eb9ccc
[2022-03-16 12:35:21,725 INFO  L306              CDTParser]: Found 1 translation units.
[2022-03-16 12:35:21,726 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i
[2022-03-16 12:35:21,738 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d97ec8fd/e1ab8223134847009d810838d38d6eab/FLAG7c1eb9ccc
[2022-03-16 12:35:22,046 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d97ec8fd/e1ab8223134847009d810838d38d6eab
[2022-03-16 12:35:22,048 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-16 12:35:22,049 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-03-16 12:35:22,053 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-03-16 12:35:22,053 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-03-16 12:35:22,057 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-03-16 12:35:22,058 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,060 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c8dfca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22, skipping insertion in model container
[2022-03-16 12:35:22,060 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,077 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-03-16 12:35:22,117 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-03-16 12:35:22,501 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017]
[2022-03-16 12:35:22,505 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-03-16 12:35:22,518 INFO  L203         MainTranslator]: Completed pre-run
[2022-03-16 12:35:22,566 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017]
[2022-03-16 12:35:22,567 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-03-16 12:35:22,634 INFO  L208         MainTranslator]: Completed translation
[2022-03-16 12:35:22,635 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22 WrapperNode
[2022-03-16 12:35:22,635 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-03-16 12:35:22,636 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-03-16 12:35:22,636 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-03-16 12:35:22,636 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-03-16 12:35:22,642 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,667 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,689 INFO  L137                Inliner]: procedures = 268, calls = 46, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73
[2022-03-16 12:35:22,689 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-03-16 12:35:22,690 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-16 12:35:22,690 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-16 12:35:22,690 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-16 12:35:22,697 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,697 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,700 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,700 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,705 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,719 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,720 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,734 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-16 12:35:22,735 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-16 12:35:22,736 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-16 12:35:22,736 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-16 12:35:22,737 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (1/1) ...
[2022-03-16 12:35:22,744 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-16 12:35:22,755 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-16 12:35:22,773 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)
[2022-03-16 12:35:22,795 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
[2022-03-16 12:35:22,820 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-03-16 12:35:22,820 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-03-16 12:35:22,820 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-03-16 12:35:22,820 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-03-16 12:35:22,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-03-16 12:35:22,823 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-03-16 12:35:22,823 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-03-16 12:35:22,823 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-03-16 12:35:22,823 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-03-16 12:35:22,823 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-03-16 12:35:22,823 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-03-16 12:35:22,824 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-16 12:35:22,824 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-16 12:35:22,825 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-03-16 12:35:22,919 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-16 12:35:22,921 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-16 12:35:23,147 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-16 12:35:23,153 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-16 12:35:23,154 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2022-03-16 12:35:23,155 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:35:23 BoogieIcfgContainer
[2022-03-16 12:35:23,156 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-16 12:35:23,157 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-03-16 12:35:23,157 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-03-16 12:35:23,164 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-03-16 12:35:23,164 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 12:35:22" (1/3) ...
[2022-03-16 12:35:23,164 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c234747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 12:35:23, skipping insertion in model container
[2022-03-16 12:35:23,165 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 12:35:22" (2/3) ...
[2022-03-16 12:35:23,165 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c234747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 12:35:23, skipping insertion in model container
[2022-03-16 12:35:23,165 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:35:23" (3/3) ...
[2022-03-16 12:35:23,166 INFO  L111   eAbstractionObserver]: Analyzing ICFG sync01.i
[2022-03-16 12:35:23,171 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-03-16 12:35:23,171 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-03-16 12:35:23,171 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-03-16 12:35:23,171 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-03-16 12:35:23,202 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,202 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,202 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,203 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,203 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,203 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,205 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,205 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,205 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,208 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,208 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,208 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,208 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,209 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,210 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,210 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,210 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,210 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,211 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,211 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,211 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,211 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,212 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,213 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,213 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,216 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,217 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,218 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,219 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,219 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,222 WARN  L322   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,222 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,222 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,222 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-16 12:35:23,226 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-03-16 12:35:23,268 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-03-16 12:35:23,269 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-16 12:35:23,270 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)
[2022-03-16 12:35:23,282 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
[2022-03-16 12:35:23,314 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-03-16 12:35:23,322 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=true, mMcrOverapproximateWrwc=true
[2022-03-16 12:35:23,322 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-03-16 12:35:24,575 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 120 transitions and produced 121 states.
[2022-03-16 12:35:24,578 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 12:35:24,588 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 12:35:24,589 INFO  L85        PathProgramCache]: Analyzing trace with hash 350373074, now seen corresponding path program 1 times
[2022-03-16 12:35:24,604 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 12:35:24,604 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387628606]
[2022-03-16 12:35:24,605 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 12:35:24,605 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 12:35:24,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 12:35:24,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 12:35:24,881 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 12:35:24,881 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387628606]
[2022-03-16 12:35:24,882 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387628606] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 12:35:24,882 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 12:35:24,882 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-03-16 12:35:24,886 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509673898]
[2022-03-16 12:35:24,887 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 12:35:24,892 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-03-16 12:35:24,892 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 12:35:24,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-03-16 12:35:24,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-03-16 12:35:24,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:24,918 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 12:35:24,919 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 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)
[2022-03-16 12:35:24,919 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:25,502 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 120 transitions and produced 121 states.
[2022-03-16 12:35:25,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:25,504 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-03-16 12:35:25,504 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 12:35:25,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 12:35:25,505 INFO  L85        PathProgramCache]: Analyzing trace with hash -222192304, now seen corresponding path program 1 times
[2022-03-16 12:35:25,505 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 12:35:25,505 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145940766]
[2022-03-16 12:35:25,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 12:35:25,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 12:35:25,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 12:35:25,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 12:35:25,633 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 12:35:25,634 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145940766]
[2022-03-16 12:35:25,634 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145940766] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 12:35:25,634 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 12:35:25,634 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-16 12:35:25,634 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231999613]
[2022-03-16 12:35:25,634 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 12:35:25,636 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-16 12:35:25,636 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 12:35:25,637 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-16 12:35:25,637 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-16 12:35:25,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:25,637 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 12:35:25,637 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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)
[2022-03-16 12:35:25,637 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:25,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:26,590 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 266 transitions and produced 261 states.
[2022-03-16 12:35:26,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:26,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:26,591 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-03-16 12:35:26,591 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 12:35:26,592 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 12:35:26,592 INFO  L85        PathProgramCache]: Analyzing trace with hash -1581143170, now seen corresponding path program 1 times
[2022-03-16 12:35:26,592 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 12:35:26,593 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106677431]
[2022-03-16 12:35:26,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 12:35:26,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 12:35:26,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 12:35:26,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2022-03-16 12:35:26,733 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 12:35:26,733 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106677431]
[2022-03-16 12:35:26,733 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106677431] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 12:35:26,733 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 12:35:26,734 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-16 12:35:26,734 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771756042]
[2022-03-16 12:35:26,734 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 12:35:26,735 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-16 12:35:26,735 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 12:35:26,735 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-16 12:35:26,736 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-16 12:35:26,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:26,736 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 12:35:26,736 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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)
[2022-03-16 12:35:26,736 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:26,736 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:26,736 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:27,329 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 170 transitions and produced 169 states.
[2022-03-16 12:35:27,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:27,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:27,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:27,330 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-03-16 12:35:27,330 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 12:35:27,331 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 12:35:27,331 INFO  L85        PathProgramCache]: Analyzing trace with hash -1082672318, now seen corresponding path program 2 times
[2022-03-16 12:35:27,331 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 12:35:27,331 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104927272]
[2022-03-16 12:35:27,331 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 12:35:27,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 12:35:27,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 12:35:27,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-03-16 12:35:27,578 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 12:35:27,578 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104927272]
[2022-03-16 12:35:27,578 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104927272] provided 0 perfect and 1 imperfect interpolant sequences
[2022-03-16 12:35:27,578 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279110812]
[2022-03-16 12:35:27,579 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-03-16 12:35:27,579 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-03-16 12:35:27,579 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-16 12:35:27,581 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)
[2022-03-16 12:35:27,582 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-03-16 12:35:27,724 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-03-16 12:35:27,724 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-03-16 12:35:27,730 INFO  L263         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-03-16 12:35:27,737 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-03-16 12:35:28,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2022-03-16 12:35:28,075 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-03-16 12:35:28,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2022-03-16 12:35:28,278 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279110812] provided 0 perfect and 2 imperfect interpolant sequences
[2022-03-16 12:35:28,278 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-03-16 12:35:28,278 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8
[2022-03-16 12:35:28,279 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716856143]
[2022-03-16 12:35:28,279 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-03-16 12:35:28,280 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-16 12:35:28,280 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 12:35:28,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-16 12:35:28,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-03-16 12:35:28,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:28,281 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 12:35:28,281 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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)
[2022-03-16 12:35:28,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 12:35:28,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:28,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 12:35:28,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.