./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cd6aaa75855c8ee03a174376352b142cf57dd56532b968b1b6c916585172927 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:28:50,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:28:50,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:28:50,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:28:50,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:28:50,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:28:50,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:28:50,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:28:50,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:28:50,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:28:50,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:28:50,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:28:50,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:28:50,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:28:50,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:28:50,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:28:50,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:28:50,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:28:50,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:28:50,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:28:50,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:28:50,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:28:50,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:28:50,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:28:50,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:28:50,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:28:50,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:28:50,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:28:50,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:28:50,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:28:50,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:28:50,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:28:51,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:28:51,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:28:51,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:28:51,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:28:51,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:28:51,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:28:51,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:28:51,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:28:51,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:28:51,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:28:51,044 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:28:51,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:28:51,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:28:51,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:28:51,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:28:51,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:28:51,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:28:51,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:28:51,048 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:28:51,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:28:51,049 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:28:51,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:28:51,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:28:51,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:28:51,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:28:51,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:28:51,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:28:51,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:28:51,051 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:28:51,051 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:28:51,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:28:51,051 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:28:51,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:28:51,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:28:51,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:28:51,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:28:51,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:51,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:28:51,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:28:51,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:28:51,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:28:51,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:28:51,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:28:51,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:28:51,054 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:28:51,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:28:51,054 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:28:51,055 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cd6aaa75855c8ee03a174376352b142cf57dd56532b968b1b6c916585172927 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:28:51,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:28:51,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:28:51,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:28:51,378 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:28:51,379 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:28:51,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:52,485 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:28:52,787 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:28:52,788 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:52,798 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf89c62b2/03a2bee4b7ad485d898c8e81f6475cef/FLAG69f424df1 [2023-08-30 12:28:52,812 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf89c62b2/03a2bee4b7ad485d898c8e81f6475cef [2023-08-30 12:28:52,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:28:52,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:28:52,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:52,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:28:52,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:28:52,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:52" (1/1) ... [2023-08-30 12:28:52,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cf4f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:52, skipping insertion in model container [2023-08-30 12:28:52,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:52" (1/1) ... [2023-08-30 12:28:52,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:28:52,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:28:53,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i[30176,30189] [2023-08-30 12:28:53,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:53,189 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:28:53,226 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i[30176,30189] [2023-08-30 12:28:53,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:53,281 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:28:53,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53 WrapperNode [2023-08-30 12:28:53,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:53,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:53,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:28:53,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:28:53,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,346 INFO L138 Inliner]: procedures = 170, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-08-30 12:28:53,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:53,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:28:53,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:28:53,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:28:53,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:28:53,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:28:53,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:28:53,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:28:53,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (1/1) ... [2023-08-30 12:28:53,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:53,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:28:53,458 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) [2023-08-30 12:28:53,487 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 [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:28:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:28:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:28:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:28:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:28:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:28:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:28:53,498 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:28:53,679 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:28:53,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:28:53,947 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:28:53,956 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:28:53,956 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 12:28:53,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:53 BoogieIcfgContainer [2023-08-30 12:28:53,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:28:53,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:28:53,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:28:53,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:28:53,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:28:52" (1/3) ... [2023-08-30 12:28:53,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc73fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:53, skipping insertion in model container [2023-08-30 12:28:53,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:53" (2/3) ... [2023-08-30 12:28:53,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc73fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:53, skipping insertion in model container [2023-08-30 12:28:53,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:53" (3/3) ... [2023-08-30 12:28:53,967 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:53,974 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:28:53,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:28:53,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:28:53,982 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:28:54,062 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:28:54,068 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:28:54,074 INFO L158 Benchmark]: Toolchain (without parser) took 1258.60ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 49.0MB in the end (delta: 22.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,075 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:28:54,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.22ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 51.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.98ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,077 INFO L158 Benchmark]: Boogie Preprocessor took 68.84ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 73.1MB in the end (delta: -24.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,078 INFO L158 Benchmark]: RCFGBuilder took 541.20ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 57.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,079 INFO L158 Benchmark]: TraceAbstraction took 111.78ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 49.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:28:54,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.22ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 51.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.98ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.84ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 73.1MB in the end (delta: -24.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 541.20ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 57.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 111.78ms. Allocated memory is still 94.4MB. Free memory was 56.1MB in the beginning and 49.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:28:54,116 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cd6aaa75855c8ee03a174376352b142cf57dd56532b968b1b6c916585172927 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:28:56,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:28:56,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:28:56,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:28:56,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:28:56,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:28:56,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:28:56,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:28:56,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:28:56,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:28:56,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:28:56,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:28:56,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:28:56,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:28:56,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:28:56,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:28:56,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:28:56,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:28:56,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:28:56,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:28:56,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:28:56,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:28:56,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:28:56,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:28:56,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:28:56,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:28:56,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:28:56,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:28:56,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:28:56,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:28:56,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:28:56,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:28:56,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:28:56,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:28:56,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:28:56,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:28:56,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:28:56,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:28:56,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:28:56,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:28:56,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:28:56,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:28:56,156 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:28:56,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:28:56,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:28:56,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:28:56,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:28:56,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:28:56,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:28:56,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:28:56,160 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:28:56,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:28:56,161 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:28:56,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:28:56,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:28:56,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:28:56,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:28:56,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:28:56,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:28:56,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:28:56,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:28:56,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:28:56,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:28:56,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:28:56,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:28:56,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:56,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:28:56,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:28:56,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:28:56,165 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:28:56,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:28:56,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:28:56,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:28:56,166 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:28:56,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:28:56,166 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:28:56,167 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:28:56,167 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cd6aaa75855c8ee03a174376352b142cf57dd56532b968b1b6c916585172927 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:28:56,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:28:56,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:28:56,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:28:56,476 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:28:56,476 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:28:56,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:57,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:28:57,850 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:28:57,851 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:57,863 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb28acb7/d0fe848e56ab4082b2ceed5310cba133/FLAG944d2ac8a [2023-08-30 12:28:57,877 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb28acb7/d0fe848e56ab4082b2ceed5310cba133 [2023-08-30 12:28:57,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:28:57,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:28:57,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:57,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:28:57,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:28:57,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:57" (1/1) ... [2023-08-30 12:28:57,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f02cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:57, skipping insertion in model container [2023-08-30 12:28:57,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:57" (1/1) ... [2023-08-30 12:28:57,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:28:57,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:28:58,213 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i[30176,30189] [2023-08-30 12:28:58,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:58,258 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:28:58,305 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i[30176,30189] [2023-08-30 12:28:58,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:58,373 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:28:58,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58 WrapperNode [2023-08-30 12:28:58,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:58,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:58,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:28:58,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:28:58,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,438 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-08-30 12:28:58,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:58,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:28:58,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:28:58,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:28:58,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:28:58,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:28:58,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:28:58,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:28:58,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (1/1) ... [2023-08-30 12:28:58,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:58,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:28:58,532 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) [2023-08-30 12:28:58,556 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 [2023-08-30 12:28:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:28:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:28:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:28:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:28:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:28:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:28:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:28:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:28:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:28:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:28:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:28:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:28:58,573 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:28:58,727 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:28:58,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:28:59,004 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:28:59,014 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:28:59,014 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 12:28:59,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:59 BoogieIcfgContainer [2023-08-30 12:28:59,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:28:59,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:28:59,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:28:59,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:28:59,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:28:57" (1/3) ... [2023-08-30 12:28:59,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7967f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:59, skipping insertion in model container [2023-08-30 12:28:59,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:58" (2/3) ... [2023-08-30 12:28:59,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7967f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:59, skipping insertion in model container [2023-08-30 12:28:59,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:59" (3/3) ... [2023-08-30 12:28:59,025 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_12-ptr_racefree.i [2023-08-30 12:28:59,033 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:28:59,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:28:59,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:28:59,041 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:28:59,118 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:28:59,134 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:28:59,138 INFO L158 Benchmark]: Toolchain (without parser) took 1256.83ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 56.3MB in the end (delta: 8.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,139 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:28:59,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.40ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.92ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,140 INFO L158 Benchmark]: Boogie Preprocessor took 58.31ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,140 INFO L158 Benchmark]: RCFGBuilder took 518.42ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 65.8MB in the end (delta: -6.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,141 INFO L158 Benchmark]: TraceAbstraction took 117.76ms. Allocated memory is still 88.1MB. Free memory was 65.0MB in the beginning and 56.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:28:59,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.40ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.92ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.31ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.42ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 65.8MB in the end (delta: -6.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 117.76ms. Allocated memory is still 88.1MB. Free memory was 65.0MB in the beginning and 56.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:28:59,168 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE