/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadReturn.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 03:25:27,718 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 03:25:27,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 03:25:27,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 03:25:27,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 03:25:27,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 03:25:27,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 03:25:27,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 03:25:27,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 03:25:27,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 03:25:27,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 03:25:27,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 03:25:27,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 03:25:27,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 03:25:27,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 03:25:27,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 03:25:27,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 03:25:27,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 03:25:27,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 03:25:27,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 03:25:27,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 03:25:27,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 03:25:27,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 03:25:27,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 03:25:27,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 03:25:27,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 03:25:27,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 03:25:27,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-19 03:25:27,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-19 03:25:27,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 03:25:27,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 03:25:27,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 03:25:27,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 03:25:27,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 03:25:27,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 03:25:27,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-19 03:25:27,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-19 03:25:27,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 03:25:27,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-19 03:25:27,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-19 03:25:27,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 03:25:27,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf
[2022-02-19 03:25:27,790 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 03:25:27,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 03:25:27,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 03:25:27,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 03:25:27,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 03:25:27,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 03:25:27,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 03:25:27,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 03:25:27,793 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 03:25:27,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 03:25:27,793 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 03:25:27,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 03:25:27,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 03:25:27,795 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 03:25:27,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 03:25:27,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 03:25:27,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 03:25:27,795 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 03:25:27,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 03:25:27,796 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-02-19 03:25:27,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-02-19 03:25:27,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 03:25:28,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 03:25:28,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 03:25:28,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 03:25:28,036 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 03:25:28,039 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 03:25:28,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadReturn.c
[2022-02-19 03:25:28,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff04feb8a/e012aa93715842d2918d1efe15abaa5a/FLAG9e67ba177
[2022-02-19 03:25:28,471 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 03:25:28,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadReturn.c
[2022-02-19 03:25:28,472 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-19 03:25:28,472 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-19 03:25:28,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff04feb8a/e012aa93715842d2918d1efe15abaa5a/FLAG9e67ba177
[2022-02-19 03:25:28,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff04feb8a/e012aa93715842d2918d1efe15abaa5a
[2022-02-19 03:25:28,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 03:25:28,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 03:25:28,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 03:25:28,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 03:25:28,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 03:25:28,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340c7555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28, skipping insertion in model container
[2022-02-19 03:25:28,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 03:25:28,538 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 03:25:28,666 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 03:25:28,671 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 03:25:28,678 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 03:25:28,688 INFO L208 MainTranslator]: Completed translation
[2022-02-19 03:25:28,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28 WrapperNode
[2022-02-19 03:25:28,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 03:25:28,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 03:25:28,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 03:25:28,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 03:25:28,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,728 INFO L137 Inliner]: procedures = 10, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2022-02-19 03:25:28,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 03:25:28,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 03:25:28,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 03:25:28,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 03:25:28,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 03:25:28,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 03:25:28,753 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 03:25:28,753 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 03:25:28,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (1/1) ...
[2022-02-19 03:25:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 03:25:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 03:25:28,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-19 03:25:28,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-19 03:25:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 03:25:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 03:25:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure myThread
[2022-02-19 03:25:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread
[2022-02-19 03:25:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 03:25:28,824 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 03:25:28,877 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 03:25:28,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 03:25:28,987 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 03:25:28,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 03:25:28,992 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 03:25:28,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:25:28 BoogieIcfgContainer
[2022-02-19 03:25:28,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 03:25:28,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 03:25:28,994 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 03:25:29,012 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 03:25:29,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 03:25:28" (1/3) ...
[2022-02-19 03:25:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adc563d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:25:29, skipping insertion in model container
[2022-02-19 03:25:29,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:28" (2/3) ...
[2022-02-19 03:25:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adc563d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:25:29, skipping insertion in model container
[2022-02-19 03:25:29,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:25:28" (3/3) ...
[2022-02-19 03:25:29,014 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadReturn.c
[2022-02-19 03:25:29,018 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 03:25:29,018 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 03:25:29,018 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 03:25:29,018 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 03:25:29,052 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,052 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,053 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,055 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,055 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:29,058 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-02-19 03:25:29,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 03:25:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 03:25:29,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 03:25:29,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-19 03:25:29,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-02-19 03:25:29,173 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
[2022-02-19 03:25:29,173 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-19 03:25:29,245 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 03:25:29,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 03:25:29,249 INFO L85 PathProgramCache]: Analyzing trace with hash 193205873, now seen corresponding path program 1 times
[2022-02-19 03:25:29,255 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 03:25:29,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297396567]
[2022-02-19 03:25:29,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 03:25:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 03:25:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 03:25:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 03:25:29,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 03:25:29,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297396567]
[2022-02-19 03:25:29,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297396567] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 03:25:29,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 03:25:29,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 03:25:29,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569781197]
[2022-02-19 03:25:29,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 03:25:29,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 03:25:29,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 03:25:29,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 03:25:29,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-19 03:25:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 03:25:29,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 03:25:29,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 03:25:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 03:25:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 03:25:29,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining)
[2022-02-19 03:25:29,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-19 03:25:29,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 03:25:29,689 INFO L732 BasicCegarLoop]: Path program histogram: [1]
[2022-02-19 03:25:29,691 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 03:25:29,691 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 03:25:29,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:25:29 BasicIcfg
[2022-02-19 03:25:29,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 03:25:29,695 INFO L158 Benchmark]: Toolchain (without parser) took 1178.17ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 105.0MB in the beginning and 125.8MB in the end (delta: -20.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,696 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 164.6MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 03:25:29,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.21ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 104.9MB in the beginning and 173.5MB in the end (delta: -68.6MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 201.3MB. Free memory was 173.5MB in the beginning and 172.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,703 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 201.3MB. Free memory was 172.0MB in the beginning and 170.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,705 INFO L158 Benchmark]: RCFGBuilder took 239.65ms. Allocated memory is still 201.3MB. Free memory was 170.9MB in the beginning and 161.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,705 INFO L158 Benchmark]: TraceAbstraction took 699.47ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 125.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
[2022-02-19 03:25:29,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 164.6MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 172.21ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 104.9MB in the beginning and 173.5MB in the end (delta: -68.6MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 37.02ms. Allocated memory is still 201.3MB. Free memory was 173.5MB in the beginning and 172.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 23.18ms. Allocated memory is still 201.3MB. Free memory was 172.0MB in the beginning and 170.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 239.65ms. Allocated memory is still 201.3MB. Free memory was 170.9MB in the beginning and 161.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 699.47ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 125.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 3, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 3, Maximal queried relation: 0, Independence queries for same thread: 0
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.0s, Number of persistent set computation: 31, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 9, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 3, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 3, Maximal queried relation: 0, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 31]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 3 procedures, 41 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 03:25:29,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-02-19 03:25:29,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...