./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 01:56:59,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:56:59,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:56:59,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:56:59,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:56:59,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:56:59,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:56:59,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:56:59,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:56:59,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:56:59,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:56:59,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:56:59,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:56:59,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:56:59,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:56:59,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:56:59,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:56:59,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:56:59,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:56:59,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:56:59,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:56:59,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:56:59,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:56:59,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:56:59,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:56:59,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:56:59,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:56:59,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:56:59,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:56:59,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:56:59,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:56:59,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:56:59,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:56:59,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:56:59,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:56:59,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:56:59,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:56:59,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:56:59,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:56:59,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:56:59,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:56:59,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:56:59,873 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:56:59,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:56:59,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:56:59,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:56:59,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:56:59,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:56:59,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:56:59,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:56:59,877 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:56:59,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:56:59,878 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:56:59,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:56:59,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:56:59,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:56:59,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:56:59,879 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:56:59,879 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:56:59,879 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:56:59,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:56:59,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:56:59,880 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:56:59,880 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:56:59,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:56:59,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:56:59,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:56:59,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:56:59,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:56:59,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:56:59,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:56:59,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:56:59,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:56:59,882 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:56:59,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:56:59,882 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:56:59,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:00,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:00,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:00,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:00,205 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:00,206 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:00,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 01:57:01,299 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:01,552 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:01,552 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 01:57:01,561 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596ca3a23/8b191d169caa4019b7bd5501e79e0fed/FLAGbb077c806 [2023-08-30 01:57:01,575 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596ca3a23/8b191d169caa4019b7bd5501e79e0fed [2023-08-30 01:57:01,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:01,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:01,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:01,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:01,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:01,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:01" (1/1) ... [2023-08-30 01:57:01,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc76e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:01, skipping insertion in model container [2023-08-30 01:57:01,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:01" (1/1) ... [2023-08-30 01:57:01,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:01,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:01,892 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i[30003,30016] [2023-08-30 01:57:01,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:01,919 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:01,964 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i[30003,30016] [2023-08-30 01:57:01,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:02,018 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:02,018 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:02,024 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:02,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02 WrapperNode [2023-08-30 01:57:02,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:02,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:02,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:02,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:02,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,085 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 117 [2023-08-30 01:57:02,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:02,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:02,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:02,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:02,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:02,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:02,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:02,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:02,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (1/1) ... [2023-08-30 01:57:02,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:02,159 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 01:57:02,170 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 01:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 01:57:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:02,200 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 01:57:02,375 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:02,379 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:02,595 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:02,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:02,622 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:57:02,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:02 BoogieIcfgContainer [2023-08-30 01:57:02,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:02,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:02,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:02,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:02,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:01" (1/3) ... [2023-08-30 01:57:02,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:02, skipping insertion in model container [2023-08-30 01:57:02,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:02" (2/3) ... [2023-08-30 01:57:02,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:02, skipping insertion in model container [2023-08-30 01:57:02,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:02" (3/3) ... [2023-08-30 01:57:02,631 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 01:57:02,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:02,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 01:57:02,644 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:02,699 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:57:02,704 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 01:57:02,708 INFO L158 Benchmark]: Toolchain (without parser) took 1129.57ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.8MB in the end (delta: -495.3kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,711 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:02,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.4MB in the end (delta: -277.6kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,713 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 51.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,714 INFO L158 Benchmark]: RCFGBuilder took 494.56ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 36.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,714 INFO L158 Benchmark]: TraceAbstraction took 81.32ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 55.8MB in the end (delta: -20.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-08-30 01:57:02,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.73ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.4MB in the end (delta: -277.6kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.37ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 51.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.56ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 36.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 81.32ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 55.8MB in the end (delta: -20.0MB). Peak memory consumption was 7.0MB. 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 01:57:02,739 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 01:57:04,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:04,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:04,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:04,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:04,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:04,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:04,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:04,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:04,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:04,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:04,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:04,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:04,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:04,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:04,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:04,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:04,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:04,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:04,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:04,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:04,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:04,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:04,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:04,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:04,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:04,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:04,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:04,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:04,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:04,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:04,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:04,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:04,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:04,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:04,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:04,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:04,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:04,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:04,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:04,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:04,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:57:04,751 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:04,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:04,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:04,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:04,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:04,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:04,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:04,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:04,756 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:04,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:04,757 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:04,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:04,758 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:04,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:04,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:04,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:57:04,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:57:04,759 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:04,760 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:04,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:04,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:04,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:04,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:04,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:04,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:04,761 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:57:04,761 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:57:04,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:04,762 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:04,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:04,762 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:57:04,762 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:04,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:05,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:05,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:05,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:05,098 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:05,098 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:05,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 01:57:06,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:06,533 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:06,534 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 01:57:06,545 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0895684a1/fb980faa150a4071935c1c14d6493fff/FLAGc0de967bb [2023-08-30 01:57:06,558 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0895684a1/fb980faa150a4071935c1c14d6493fff [2023-08-30 01:57:06,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:06,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:06,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:06,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:06,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:06,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fb1041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06, skipping insertion in model container [2023-08-30 01:57:06,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:06,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:06,800 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i[30003,30016] [2023-08-30 01:57:06,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:06,824 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:06,858 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i[30003,30016] [2023-08-30 01:57:06,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:06,889 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:06,889 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:06,895 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:06,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06 WrapperNode [2023-08-30 01:57:06,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:06,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:06,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:06,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:06,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,961 INFO L138 Inliner]: procedures = 178, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 115 [2023-08-30 01:57:06,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:06,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:06,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:06,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:06,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:06,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:07,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:07,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:07,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:07,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:07,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:07,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (1/1) ... [2023-08-30 01:57:07,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:07,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:07,029 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 01:57:07,033 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 01:57:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 01:57:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 01:57:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:57:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:57:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:07,059 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 01:57:07,182 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:07,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:07,476 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:07,518 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:07,523 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:57:07,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:07 BoogieIcfgContainer [2023-08-30 01:57:07,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:07,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:07,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:07,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:07,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:06" (1/3) ... [2023-08-30 01:57:07,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:07, skipping insertion in model container [2023-08-30 01:57:07,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:06" (2/3) ... [2023-08-30 01:57:07,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:07, skipping insertion in model container [2023-08-30 01:57:07,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:07" (3/3) ... [2023-08-30 01:57:07,534 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 01:57:07,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:07,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 01:57:07,549 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:07,616 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:57:07,627 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 01:57:07,633 INFO L158 Benchmark]: Toolchain (without parser) took 1070.77ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 33.7MB in the end (delta: 13.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,634 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:07,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.47ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 43.1MB in the end (delta: 4.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.69ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 40.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,635 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,636 INFO L158 Benchmark]: RCFGBuilder took 522.74ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 41.9MB in the end (delta: -2.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,637 INFO L158 Benchmark]: TraceAbstraction took 103.65ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 33.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:57:07,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.47ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 43.1MB in the end (delta: 4.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.69ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 40.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.74ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 41.9MB in the end (delta: -2.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 103.65ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 33.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. 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 01:57:07,666 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