/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --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_14-funarg_rc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 09:50:54,539 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 09:50:54,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 09:50:54,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 09:50:54,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 09:50:54,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 09:50:54,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 09:50:54,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 09:50:54,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 09:50:54,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 09:50:54,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 09:50:54,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 09:50:54,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 09:50:54,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 09:50:54,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 09:50:54,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 09:50:54,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 09:50:54,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 09:50:54,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 09:50:54,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 09:50:54,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 09:50:54,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 09:50:54,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 09:50:54,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 09:50:54,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 09:50:54,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 09:50:54,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 09:50:54,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-19 09:50:54,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-19 09:50:54,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 09:50:54,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 09:50:54,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 09:50:54,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 09:50:54,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 09:50:54,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 09:50:54,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-19 09:50:54,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-19 09:50:54,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 09:50:54,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-19 09:50:54,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-19 09:50:54,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 09:50:54,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf
[2022-02-19 09:50:54,654 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 09:50:54,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 09:50:54,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 09:50:54,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 09:50:54,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 09:50:54,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 09:50:54,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 09:50:54,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 09:50:54,656 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 09:50:54,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 09:50:54,656 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 09:50:54,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 09:50:54,656 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 09:50:54,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 09:50:54,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 09:50:54,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 09:50:54,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false
[2022-02-19 09:50:54,659 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 09:50:54,659 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-19 09:50:54,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 09:50:54,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 09:50:54,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 09:50:54,833 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 09:50:54,833 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 09:50:54,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i
[2022-02-19 09:50:54,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/698f050a1/c39ccc389e2a433dbf9620406cf6d152/FLAG01ca7619c
[2022-02-19 09:50:55,350 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 09:50:55,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i
[2022-02-19 09:50:55,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/698f050a1/c39ccc389e2a433dbf9620406cf6d152/FLAG01ca7619c
[2022-02-19 09:50:55,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/698f050a1/c39ccc389e2a433dbf9620406cf6d152
[2022-02-19 09:50:55,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 09:50:55,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 09:50:55,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 09:50:55,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 09:50:55,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 09:50:55,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d52570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55, skipping insertion in model container
[2022-02-19 09:50:55,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 09:50:55,445 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 09:50:55,800 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 09:50:55,810 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 09:50:55,844 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 09:50:55,879 INFO L208 MainTranslator]: Completed translation
[2022-02-19 09:50:55,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55 WrapperNode
[2022-02-19 09:50:55,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 09:50:55,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 09:50:55,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 09:50:55,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 09:50:55,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,913 INFO L137 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66
[2022-02-19 09:50:55,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 09:50:55,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 09:50:55,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 09:50:55,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 09:50:55,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 09:50:55,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 09:50:55,931 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 09:50:55,931 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 09:50:55,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (1/1) ...
[2022-02-19 09:50:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 09:50:55,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 09:50:55,964 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 09:50:55,977 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 09:50:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 09:50:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 09:50:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-19 09:50:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 09:50:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-19 09:50:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-19 09:50:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-19 09:50:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-19 09:50:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-19 09:50:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 09:50:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 09:50:55,990 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 09:50:56,066 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 09:50:56,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 09:50:56,260 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 09:50:56,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 09:50:56,268 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 09:50:56,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:50:56 BoogieIcfgContainer
[2022-02-19 09:50:56,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 09:50:56,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 09:50:56,271 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 09:50:56,275 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 09:50:56,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:50:55" (1/3) ...
[2022-02-19 09:50:56,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a70e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:50:56, skipping insertion in model container
[2022-02-19 09:50:56,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:50:55" (2/3) ...
[2022-02-19 09:50:56,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a70e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:50:56, skipping insertion in model container
[2022-02-19 09:50:56,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:50:56" (3/3) ...
[2022-02-19 09:50:56,278 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i
[2022-02-19 09:50:56,284 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 09:50:56,284 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 09:50:56,284 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2022-02-19 09:50:56,284 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 09:50:56,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:50:56,344 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-02-19 09:50:56,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 09:50:56,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 09:50:56,408 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 09:50:56,427 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 09:50:56,438 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 09:50:56,444 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false
[2022-02-19 09:50:56,445 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2022-02-19 09:50:56,498 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states.
[2022-02-19 09:50:56,500 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-02-19 09:50:56,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:50:56,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1939051801, now seen corresponding path program 1 times
[2022-02-19 09:50:56,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:50:56,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17531068]
[2022-02-19 09:50:56,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:50:56,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:50:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:50:56,727 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 09:50:56,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:50:56,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17531068]
[2022-02-19 09:50:56,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17531068] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:50:56,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:50:56,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 09:50:56,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087696758]
[2022-02-19 09:50:56,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:50:56,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 09:50:56,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:50:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 09:50:56,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 09:50:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:56,780 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:50:56,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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 09:50:56,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:56,835 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 98 states.
[2022-02-19 09:50:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:56,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 09:50:56,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-02-19 09:50:56,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:50:56,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1484727409, now seen corresponding path program 1 times
[2022-02-19 09:50:56,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:50:56,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672119124]
[2022-02-19 09:50:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:50:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:50:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:50:57,004 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 09:50:57,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:50:57,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672119124]
[2022-02-19 09:50:57,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672119124] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:50:57,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:50:57,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 09:50:57,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219156259]
[2022-02-19 09:50:57,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:50:57,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 09:50:57,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:50:57,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 09:50:57,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-19 09:50:57,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:57,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:50:57,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 09:50:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:57,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:57,087 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states.
[2022-02-19 09:50:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:50:57,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-19 09:50:57,088 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-02-19 09:50:57,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:50:57,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1804631314, now seen corresponding path program 1 times
[2022-02-19 09:50:57,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:50:57,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184798214]
[2022-02-19 09:50:57,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:50:57,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:50:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:50:57,159 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 09:50:57,160 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:50:57,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184798214]
[2022-02-19 09:50:57,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184798214] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:50:57,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:50:57,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 09:50:57,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191121687]
[2022-02-19 09:50:57,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:50:57,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 09:50:57,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:50:57,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 09:50:57,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 09:50:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:57,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:50:57,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 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 09:50:57,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:57,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:50:57,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:50:57,422 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1745 transitions and produced 1021 states.
[2022-02-19 09:50:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:50:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 09:50:57,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-19 09:50:57,423 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-02-19 09:50:57,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:50:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1987494670, now seen corresponding path program 1 times
[2022-02-19 09:50:57,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:50:57,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130651736]
[2022-02-19 09:50:57,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:50:57,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:50:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-19 09:50:57,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-19 09:50:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-19 09:50:57,502 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-19 09:50:57,502 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-19 09:50:57,503 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2022-02-19 09:50:57,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2022-02-19 09:50:57,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2022-02-19 09:50:57,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining)
[2022-02-19 09:50:57,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2022-02-19 09:50:57,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2022-02-19 09:50:57,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2022-02-19 09:50:57,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2022-02-19 09:50:57,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 09:50:57,510 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-02-19 09:50:57,514 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 09:50:57,514 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 09:50:57,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:50:57 BasicIcfg
[2022-02-19 09:50:57,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 09:50:57,548 INFO L158 Benchmark]: Toolchain (without parser) took 2154.51ms. Allocated memory was 187.7MB in the beginning and 264.2MB in the end (delta: 76.5MB). Free memory was 137.0MB in the beginning and 137.7MB in the end (delta: -647.1kB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,548 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 187.7MB. Free memory was 155.6MB in the beginning and 155.5MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 09:50:57,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.67ms. Allocated memory is still 187.7MB. Free memory was 136.9MB in the beginning and 148.8MB in the end (delta: -11.9MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.67ms. Allocated memory is still 187.7MB. Free memory was 148.8MB in the beginning and 146.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,549 INFO L158 Benchmark]: Boogie Preprocessor took 16.18ms. Allocated memory is still 187.7MB. Free memory was 146.3MB in the beginning and 144.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,550 INFO L158 Benchmark]: RCFGBuilder took 338.76ms. Allocated memory is still 187.7MB. Free memory was 144.9MB in the beginning and 132.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,550 INFO L158 Benchmark]: TraceAbstraction took 1275.40ms. Allocated memory was 187.7MB in the beginning and 264.2MB in the end (delta: 76.5MB). Free memory was 131.3MB in the beginning and 137.7MB in the end (delta: -6.4MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB.
[2022-02-19 09:50:57,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 187.7MB. Free memory was 155.6MB in the beginning and 155.5MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 485.67ms. Allocated memory is still 187.7MB. Free memory was 136.9MB in the beginning and 148.8MB in the end (delta: -11.9MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 33.67ms. Allocated memory is still 187.7MB. Free memory was 148.8MB in the beginning and 146.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 16.18ms. Allocated memory is still 187.7MB. Free memory was 146.3MB in the beginning and 144.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 338.76ms. Allocated memory is still 187.7MB. Free memory was 144.9MB in the beginning and 132.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 1275.40ms. Allocated memory was 187.7MB in the beginning and 264.2MB in the end (delta: 76.5MB). Free memory was 131.3MB in the beginning and 137.7MB in the end (delta: -6.4MB). Peak memory consumption was 70.8MB. 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: 937]: Data race detected
Data race detected
The following path leads to a data race:
[L917] 0 int myglobal;
VAL [myglobal=0]
[L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={2:0}, myglobal=0]
[L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0]
[L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0]
[L931] 0 pthread_t id;
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0]
[L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1]
[L934] 0 printf("myglobal equals %d\n",myglobal)
VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0]
[L923] EXPR 1 myglobal+1
VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0]
[L923] 1 myglobal=myglobal+1
VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25]
[L937] 0 add1(myglobal)
VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25]
Now there is a data race on ~myglobal~0 between
C: myglobal=myglobal+1 [923]
and
C: add1(myglobal) [937]
- UnprovableResult [Line: 934]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 939]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 923]: 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 3 procedures, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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
[2022-02-19 09:50:57,598 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 09:50:57,814 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...