./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.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 AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:00:55,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:00:55,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:00:55,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:00:55,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:00:55,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:00:55,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:00:55,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:00:55,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:00:55,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:00:55,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:00:55,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:00:55,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:00:55,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:00:55,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:00:55,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:00:55,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:00:55,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:00:55,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:00:55,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:00:55,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:00:55,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:00:55,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:00:55,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:00:55,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:00:55,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:00:55,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:00:55,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:00:55,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:00:55,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:00:55,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:00:55,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:00:55,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:00:55,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:00:55,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:00:55,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:00:55,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:00:55,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:00:55,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:00:55,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:00:55,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:00:55,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:00:55,543 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:00:55,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:00:55,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:00:55,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:00:55,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:00:55,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:00:55,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:00:55,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:00:55,547 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:00:55,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:00:55,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:00:55,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:00:55,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:00:55,550 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:00:55,551 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:00:55,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:00:55,555 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:00:55,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:00:55,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:00:55,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:00:55,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:00:55,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:00:55,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:00:55,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:00:55,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:00:55,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:00:55,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:00:55,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:00:55,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:00:55,560 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:00:55,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:00:55,560 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:00:55,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:00:55,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:00:55,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:00:55,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:00:55,852 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:00:55,852 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:00:55,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-29 01:00:56,925 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:00:57,233 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:00:57,235 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-29 01:00:57,253 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c00affce/6ff4ac346db84d93b09a91d5aac04664/FLAG2a1a9de7b [2023-08-29 01:00:57,268 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c00affce/6ff4ac346db84d93b09a91d5aac04664 [2023-08-29 01:00:57,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:00:57,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:00:57,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:00:57,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:00:57,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:00:57,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5327a9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57, skipping insertion in model container [2023-08-29 01:00:57,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:00:57,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:00:57,653 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] [2023-08-29 01:00:57,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:00:57,680 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:00:57,733 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] [2023-08-29 01:00:57,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:00:57,766 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:00:57,767 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:00:57,772 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:00:57,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57 WrapperNode [2023-08-29 01:00:57,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:00:57,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:00:57,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:00:57,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:00:57,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,810 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 177 [2023-08-29 01:00:57,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:00:57,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:00:57,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:00:57,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:00:57,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:00:57,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:00:57,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:00:57,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:00:57,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (1/1) ... [2023-08-29 01:00:57,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:00:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:00:57,882 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) [2023-08-29 01:00:57,907 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 [2023-08-29 01:00:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-29 01:00:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:00:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:00:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:00:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:00:57,925 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:00:58,069 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:00:58,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:00:58,360 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:00:58,463 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:00:58,463 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:00:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:00:58 BoogieIcfgContainer [2023-08-29 01:00:58,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:00:58,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:00:58,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:00:58,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:00:58,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:00:57" (1/3) ... [2023-08-29 01:00:58,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d52f188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:00:58, skipping insertion in model container [2023-08-29 01:00:58,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:00:57" (2/3) ... [2023-08-29 01:00:58,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d52f188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:00:58, skipping insertion in model container [2023-08-29 01:00:58,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:00:58" (3/3) ... [2023-08-29 01:00:58,472 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-29 01:00:58,479 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:00:58,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:00:58,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-08-29 01:00:58,487 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:00:58,538 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 01:00:58,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 137 transitions, 279 flow [2023-08-29 01:00:58,649 INFO L130 PetriNetUnfolder]: 6/136 cut-off events. [2023-08-29 01:00:58,650 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:00:58,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 136 events. 6/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 181 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-29 01:00:58,655 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 137 transitions, 279 flow [2023-08-29 01:00:58,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 136 transitions, 275 flow [2023-08-29 01:00:58,675 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:00:58,685 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 136 transitions, 275 flow [2023-08-29 01:00:58,689 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 136 transitions, 275 flow [2023-08-29 01:00:58,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 136 transitions, 275 flow [2023-08-29 01:00:58,737 INFO L130 PetriNetUnfolder]: 6/136 cut-off events. [2023-08-29 01:00:58,737 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:00:58,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 136 events. 6/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 181 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-29 01:00:58,742 INFO L119 LiptonReduction]: Number of co-enabled transitions 4080 [2023-08-29 01:01:01,394 INFO L134 LiptonReduction]: Checked pairs total: 6777 [2023-08-29 01:01:01,397 INFO L136 LiptonReduction]: Total number of compositions: 157 [2023-08-29 01:01:01,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:01:01,424 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2aa9d9b7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:01:01,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-29 01:01:01,426 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:01:01,426 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:01:01,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:01,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:01:01,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:01:01,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:01,431 INFO L85 PathProgramCache]: Analyzing trace with hash 642, now seen corresponding path program 1 times [2023-08-29 01:01:01,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88028580] [2023-08-29 01:01:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:01,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:01:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:01:01,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:01:01,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88028580] [2023-08-29 01:01:01,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88028580] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:01:01,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:01:01,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:01:01,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262455536] [2023-08-29 01:01:01,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:01:01,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:01:01,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:01:01,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:01:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:01:01,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 294 [2023-08-29 01:01:01,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 34 transitions, 71 flow. Second operand has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:01:01,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:01:01,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 294 [2023-08-29 01:01:01,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:01:01,646 INFO L130 PetriNetUnfolder]: 42/85 cut-off events. [2023-08-29 01:01:01,646 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:01:01,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 85 events. 42/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 206 event pairs, 30 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 166. Up to 86 conditions per place. [2023-08-29 01:01:01,648 INFO L137 encePairwiseOnDemand]: 275/294 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-08-29 01:01:01,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 15 transitions, 63 flow [2023-08-29 01:01:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:01:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:01:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 248 transitions. [2023-08-29 01:01:01,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4217687074829932 [2023-08-29 01:01:01,665 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 248 transitions. [2023-08-29 01:01:01,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 248 transitions. [2023-08-29 01:01:01,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:01:01,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 248 transitions. [2023-08-29 01:01:01,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:01:01,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:01:01,682 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:01:01,683 INFO L175 Difference]: Start difference. First operand has 36 places, 34 transitions, 71 flow. Second operand 2 states and 248 transitions. [2023-08-29 01:01:01,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 15 transitions, 63 flow [2023-08-29 01:01:01,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:01:01,686 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2023-08-29 01:01:01,688 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2023-08-29 01:01:01,691 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -19 predicate places. [2023-08-29 01:01:01,692 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2023-08-29 01:01:01,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:01:01,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-08-29 01:01:01,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-08-29 01:01:01,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-08-29 01:01:01,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-08-29 01:01:01,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-08-29 01:01:01,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-08-29 01:01:01,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-08-29 01:01:01,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-08-29 01:01:01,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-08-29 01:01:01,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-08-29 01:01:01,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-08-29 01:01:01,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-08-29 01:01:01,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-08-29 01:01:01,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-08-29 01:01:01,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-08-29 01:01:01,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-08-29 01:01:01,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2023-08-29 01:01:01,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2023-08-29 01:01:01,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-08-29 01:01:01,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2023-08-29 01:01:01,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-08-29 01:01:01,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-08-29 01:01:01,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-08-29 01:01:01,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-08-29 01:01:01,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-08-29 01:01:01,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-08-29 01:01:01,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-08-29 01:01:01,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:01:01,708 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 01:01:01,713 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:01:01,714 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:01:01,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:01:01 BasicIcfg [2023-08-29 01:01:01,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:01:01,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:01:01,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:01:01,718 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:01:01,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:00:58" (3/4) ... [2023-08-29 01:01:01,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:01:01,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure BCSP_PnpStop [2023-08-29 01:01:01,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2023-08-29 01:01:01,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-29 01:01:01,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 01:01:01,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:01:01,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:01:01,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:01:01,778 INFO L158 Benchmark]: Toolchain (without parser) took 4504.32ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.7MB in the beginning and 49.5MB in the end (delta: 161.8kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,778 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:01:01,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 45.9MB in the end (delta: 3.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 43.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,779 INFO L158 Benchmark]: Boogie Preprocessor took 21.32ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,780 INFO L158 Benchmark]: RCFGBuilder took 632.44ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 42.4MB in the end (delta: -372.5kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,780 INFO L158 Benchmark]: TraceAbstraction took 3250.29ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 53.7MB in the end (delta: -12.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,780 INFO L158 Benchmark]: Witness Printer took 60.00ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 49.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:01:01,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 45.9MB in the end (delta: 3.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 43.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.32ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.44ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 42.4MB in the end (delta: -372.5kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3250.29ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 53.7MB in the end (delta: -12.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 60.00ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 49.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 134 PlacesBefore, 36 PlacesAfterwards, 136 TransitionsBefore, 34 TransitionsAfterwards, 4080 CoEnabledTransitionPairs, 6 FixpointIterations, 48 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 157 TotalNumberOfCompositions, 6777 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4714, independent: 4540, independent conditional: 0, independent unconditional: 4540, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2455, independent: 2405, independent conditional: 0, independent unconditional: 2405, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4714, independent: 2135, independent conditional: 0, independent unconditional: 2135, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 2455, unknown conditional: 0, unknown unconditional: 2455] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 166 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:01:01,800 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: TRUE