/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-20 02:54:49,087 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-20 02:54:49,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-20 02:54:49,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-20 02:54:49,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-20 02:54:49,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-20 02:54:49,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-20 02:54:49,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-20 02:54:49,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-20 02:54:49,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-20 02:54:49,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-20 02:54:49,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-20 02:54:49,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-20 02:54:49,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-20 02:54:49,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-20 02:54:49,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-20 02:54:49,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-20 02:54:49,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-20 02:54:49,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-20 02:54:49,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-20 02:54:49,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-20 02:54:49,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-20 02:54:49,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-20 02:54:49,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-20 02:54:49,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-20 02:54:49,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-20 02:54:49,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-20 02:54:49,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-20 02:54:49,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-20 02:54:49,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-20 02:54:49,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-20 02:54:49,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-20 02:54:49,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-20 02:54:49,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-20 02:54:49,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-20 02:54:49,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-20 02:54:49,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-20 02:54:49,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-20 02:54:49,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-20 02:54:49,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-20 02:54:49,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-20 02:54:49,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf
[2022-02-20 02:54:49,187 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-20 02:54:49,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-20 02:54:49,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-20 02:54:49,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-20 02:54:49,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-20 02:54:49,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-20 02:54:49,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-20 02:54:49,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-20 02:54:49,189 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-20 02:54:49,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-20 02:54:49,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-20 02:54:49,191 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-20 02:54:49,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-20 02:54:49,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-20 02:54:49,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-20 02:54:49,191 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 02:54:49,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-20 02:54:49,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-20 02:54:49,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-20 02:54:49,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-20 02:54:49,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-20 02:54:49,193 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-20 02:54:49,193 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-20 02:54:49,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-20 02:54:49,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-20 02:54:49,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-20 02:54:49,418 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-20 02:54:49,419 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-20 02:54:49,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i
[2022-02-20 02:54:49,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdcc5319/b0759625dec44d52a603bafd01fc7efa/FLAG7db0db75d
[2022-02-20 02:54:49,925 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-20 02:54:49,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i
[2022-02-20 02:54:49,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdcc5319/b0759625dec44d52a603bafd01fc7efa/FLAG7db0db75d
[2022-02-20 02:54:49,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdcc5319/b0759625dec44d52a603bafd01fc7efa
[2022-02-20 02:54:49,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-20 02:54:49,957 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-20 02:54:49,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-20 02:54:49,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-20 02:54:49,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-20 02:54:49,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:54:49" (1/1) ...
[2022-02-20 02:54:49,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11159c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:49, skipping insertion in model container
[2022-02-20 02:54:49,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:54:49" (1/1) ...
[2022-02-20 02:54:49,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-20 02:54:50,001 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-20 02:54:50,284 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-20 02:54:50,291 INFO L203 MainTranslator]: Completed pre-run
[2022-02-20 02:54:50,324 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-20 02:54:50,359 INFO L208 MainTranslator]: Completed translation
[2022-02-20 02:54:50,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50 WrapperNode
[2022-02-20 02:54:50,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-20 02:54:50,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-20 02:54:50,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-20 02:54:50,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-20 02:54:50,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,397 INFO L137 Inliner]: procedures = 159, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30
[2022-02-20 02:54:50,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-20 02:54:50,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-20 02:54:50,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-20 02:54:50,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-20 02:54:50,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-20 02:54:50,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-20 02:54:50,424 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-20 02:54:50,425 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-20 02:54:50,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (1/1) ...
[2022-02-20 02:54:50,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 02:54:50,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 02:54:50,450 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)
[2022-02-20 02:54:50,451 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
[2022-02-20 02:54:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-20 02:54:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-20 02:54:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-20 02:54:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-20 02:54:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-20 02:54:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-20 02:54:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-20 02:54:50,476 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-20 02:54:50,611 INFO L234 CfgBuilder]: Building ICFG
[2022-02-20 02:54:50,613 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-20 02:54:50,689 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-20 02:54:50,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-20 02:54:50,693 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-20 02:54:50,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:54:50 BoogieIcfgContainer
[2022-02-20 02:54:50,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-20 02:54:50,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-20 02:54:50,696 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-20 02:54:50,698 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-20 02:54:50,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 02:54:49" (1/3) ...
[2022-02-20 02:54:50,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d6957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:54:50, skipping insertion in model container
[2022-02-20 02:54:50,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:54:50" (2/3) ...
[2022-02-20 02:54:50,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d6957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:54:50, skipping insertion in model container
[2022-02-20 02:54:50,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:54:50" (3/3) ...
[2022-02-20 02:54:50,712 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_25-single_acc.i
[2022-02-20 02:54:50,716 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-20 02:54:50,716 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-20 02:54:50,716 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-02-20 02:54:50,716 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-20 02:54:50,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,763 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,763 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,763 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,777 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,777 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,795 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,796 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 02:54:50,800 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-20 02:54:50,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-20 02:54:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 02:54:50,853 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)
[2022-02-20 02:54:50,885 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
[2022-02-20 02:54:50,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-20 02:54:50,896 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
[2022-02-20 02:54:50,896 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2022-02-20 02:54:50,937 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32 transitions and produced 33 states.
[2022-02-20 02:54:50,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-02-20 02:54:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 02:54:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash 871267609, now seen corresponding path program 1 times
[2022-02-20 02:54:50,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 02:54:50,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115819634]
[2022-02-20 02:54:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 02:54:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 02:54:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 02:54:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 02:54:51,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 02:54:51,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115819634]
[2022-02-20 02:54:51,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115819634] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 02:54:51,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 02:54:51,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-20 02:54:51,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350084430]
[2022-02-20 02:54:51,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 02:54:51,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 02:54:51,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 02:54:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 02:54:51,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 02:54:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,176 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 02:54:51,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2022-02-20 02:54:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,210 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 43 transitions and produced 44 states.
[2022-02-20 02:54:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-20 02:54:51,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-02-20 02:54:51,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 02:54:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1858608042, now seen corresponding path program 1 times
[2022-02-20 02:54:51,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 02:54:51,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999009277]
[2022-02-20 02:54:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 02:54:51,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 02:54:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 02:54:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 02:54:51,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 02:54:51,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999009277]
[2022-02-20 02:54:51,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999009277] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 02:54:51,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 02:54:51,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-20 02:54:51,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357262652]
[2022-02-20 02:54:51,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 02:54:51,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 02:54:51,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 02:54:51,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 02:54:51,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 02:54:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 02:54:51,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2022-02-20 02:54:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,358 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states.
[2022-02-20 02:54:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-20 02:54:51,359 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-02-20 02:54:51,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 02:54:51,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1401974771, now seen corresponding path program 1 times
[2022-02-20 02:54:51,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 02:54:51,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516669232]
[2022-02-20 02:54:51,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 02:54:51,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 02:54:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 02:54:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 02:54:51,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 02:54:51,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516669232]
[2022-02-20 02:54:51,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516669232] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 02:54:51,433 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 02:54:51,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-20 02:54:51,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825143885]
[2022-02-20 02:54:51,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 02:54:51,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 02:54:51,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 02:54:51,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 02:54:51,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 02:54:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,435 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 02:54:51,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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)
[2022-02-20 02:54:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 02:54:51,610 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1374 transitions and produced 649 states.
[2022-02-20 02:54:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 02:54:51,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-20 02:54:51,611 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-02-20 02:54:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 02:54:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1957912741, now seen corresponding path program 1 times
[2022-02-20 02:54:51,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 02:54:51,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714595016]
[2022-02-20 02:54:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 02:54:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 02:54:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-20 02:54:51,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-20 02:54:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-20 02:54:51,688 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-20 02:54:51,688 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-20 02:54:51,689 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2022-02-20 02:54:51,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 8 remaining)
[2022-02-20 02:54:51,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 8 remaining)
[2022-02-20 02:54:51,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2022-02-20 02:54:51,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2022-02-20 02:54:51,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2022-02-20 02:54:51,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2022-02-20 02:54:51,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2022-02-20 02:54:51,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-20 02:54:51,700 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-02-20 02:54:51,704 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-20 02:54:51,704 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-20 02:54:51,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:54:51 BasicIcfg
[2022-02-20 02:54:51,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-20 02:54:51,753 INFO L158 Benchmark]: Toolchain (without parser) took 1795.29ms. Allocated memory was 183.5MB in the beginning and 239.1MB in the end (delta: 55.6MB). Free memory was 123.8MB in the beginning and 111.1MB in the end (delta: 12.7MB). Peak memory consumption was 67.4MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,753 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 183.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-20 02:54:51,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.80ms. Allocated memory was 183.5MB in the beginning and 239.1MB in the end (delta: 55.6MB). Free memory was 123.7MB in the beginning and 202.4MB in the end (delta: -78.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.51ms. Allocated memory is still 239.1MB. Free memory was 202.4MB in the beginning and 200.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,754 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 239.1MB. Free memory was 200.3MB in the beginning and 199.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,754 INFO L158 Benchmark]: RCFGBuilder took 270.12ms. Allocated memory is still 239.1MB. Free memory was 199.2MB in the beginning and 187.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,755 INFO L158 Benchmark]: TraceAbstraction took 1056.52ms. Allocated memory is still 239.1MB. Free memory was 187.2MB in the beginning and 111.1MB in the end (delta: 76.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB.
[2022-02-20 02:54:51,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.08ms. Allocated memory is still 183.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 400.80ms. Allocated memory was 183.5MB in the beginning and 239.1MB in the end (delta: 55.6MB). Free memory was 123.7MB in the beginning and 202.4MB in the end (delta: -78.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 37.51ms. Allocated memory is still 239.1MB. Free memory was 202.4MB in the beginning and 200.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 25.43ms. Allocated memory is still 239.1MB. Free memory was 200.3MB in the beginning and 199.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 270.12ms. Allocated memory is still 239.1MB. Free memory was 199.2MB in the beginning and 187.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 1056.52ms. Allocated memory is still 239.1MB. Free memory was 187.2MB in the beginning and 111.1MB in the end (delta: 76.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, 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
- DataRaceFoundResult [Line: 681]: Data race detected
Data race detected
The following path leads to a data race:
[L679] 0 int x;
VAL [x=0]
[L685] 0 pthread_t id1, id2;
VAL [id1={3:0}, id2={2:0}, x=0]
[L686] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t_fun, ((void *)0))
VAL [arg={0:0}, id1={3:0}, id2={2:0}, pthread_create(&id1, ((void *)0), t_fun, ((void *)0))=-1, x=0]
[L681] 1 x++
VAL [arg={0:0}, arg={0:0}, x=1, x++=6x++=0]
[L687] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0))
VAL [arg={0:0}, arg={0:0}, id1={3:0}, id2={2:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=0, x=1, x++=6x++=0]
[L688] 0 return 0;
VAL [\result=0, arg={0:0}, arg={0:0}, id1={3:0}, id2={2:0}, x=1, x++=6x++=0]
[L688] 0 return 0;
VAL [\result=0, arg={0:0}, arg={0:0}, id2={2:0}, x=1, x++=6x++=0]
[L688] 0 return 0;
VAL [\result=0, arg={0:0}, arg={0:0}, x=1, x++=6x++=0]
[L681] 2 x++
VAL [arg={0:0}, arg={0:0}, x=2, x++=6x++=0]
[L682] 2 return ((void *)0);
VAL [\result={0:0}, arg={0:0}, arg={0:0}, x=2, x++=6x++=0]
[L681] 1 x++
VAL [\result={0:0}, arg={0:0}, arg={0:0}, x=2, x++=6x++=0]
Now there is a data race on ~x~0 between
C: x++ [681]
and
C: x++ [681]
- UnprovableResult [Line: 686]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- UnprovableResult [Line: 687]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- UnprovableResult [Line: 681]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 4 procedures, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-02-20 02:54:51,807 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
[2022-02-20 02:54:52,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...