./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.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/goblint-regression/10-synch_03-two_unique.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 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad --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 02:37:09,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:37:09,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:37:09,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:37:09,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:37:09,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:37:09,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:37:09,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:37:09,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:37:09,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:37:09,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:37:09,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:37:09,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:37:09,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:37:09,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:37:09,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:37:09,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:37:09,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:37:09,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:37:09,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:37:09,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:37:09,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:37:09,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:37:09,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:37:09,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:37:09,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:37:09,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:37:09,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:37:09,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:37:09,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:37:09,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:37:09,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:37:09,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:37:09,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:37:09,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:37:09,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:37:09,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:37:09,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:37:09,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:37:09,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:37:09,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:37:09,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:37:09,403 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:37:09,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:37:09,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:37:09,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:37:09,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:37:09,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:37:09,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:37:09,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:37:09,406 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:37:09,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:37:09,407 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:37:09,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:37:09,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:37:09,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:37:09,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:37:09,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:37:09,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:37:09,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:37:09,409 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:37:09,409 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:37:09,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:37:09,409 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:37:09,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:37:09,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:37:09,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:37:09,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:37:09,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:09,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:37:09,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:37:09,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:37:09,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:37:09,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:37:09,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:37:09,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:37:09,412 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:37:09,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:37:09,412 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:37:09,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:37:09,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:37:09,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:37:09,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:37:09,709 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:37:09,712 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:37:09,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2023-08-29 02:37:10,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:37:11,073 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:37:11,073 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2023-08-29 02:37:11,085 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b451315e0/03c01d611d4548ce9128f47fc2ce5578/FLAGdb33c8a46 [2023-08-29 02:37:11,100 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b451315e0/03c01d611d4548ce9128f47fc2ce5578 [2023-08-29 02:37:11,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:37:11,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:37:11,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:11,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:37:11,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:37:11,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc09427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11, skipping insertion in model container [2023-08-29 02:37:11,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:37:11,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:37:11,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:11,632 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:37:11,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:11,753 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:37:11,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11 WrapperNode [2023-08-29 02:37:11,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:11,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:11,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:37:11,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:37:11,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,804 INFO L138 Inliner]: procedures = 260, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-08-29 02:37:11,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:11,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:37:11,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:37:11,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:37:11,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:37:11,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:37:11,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:37:11,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:37:11,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (1/1) ... [2023-08-29 02:37:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:37:11,866 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 02:37:11,879 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 02:37:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-08-29 02:37:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-08-29 02:37:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-08-29 02:37:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-08-29 02:37:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:37:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:37:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:37:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:37:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:37:11,906 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 02:37:12,079 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:37:12,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:37:12,186 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:37:12,191 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:37:12,191 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:37:12,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:12 BoogieIcfgContainer [2023-08-29 02:37:12,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:37:12,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:37:12,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:37:12,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:37:12,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:37:11" (1/3) ... [2023-08-29 02:37:12,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c86bf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:12, skipping insertion in model container [2023-08-29 02:37:12,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:11" (2/3) ... [2023-08-29 02:37:12,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c86bf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:12, skipping insertion in model container [2023-08-29 02:37:12,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:12" (3/3) ... [2023-08-29 02:37:12,203 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2023-08-29 02:37:12,209 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:37:12,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:37:12,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-29 02:37:12,217 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:37:12,292 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:37:12,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 48 transitions, 106 flow [2023-08-29 02:37:12,345 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2023-08-29 02:37:12,345 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:12,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:37:12,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 48 transitions, 106 flow [2023-08-29 02:37:12,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 46 transitions, 98 flow [2023-08-29 02:37:12,354 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:37:12,361 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 46 transitions, 98 flow [2023-08-29 02:37:12,363 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 46 transitions, 98 flow [2023-08-29 02:37:12,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 46 transitions, 98 flow [2023-08-29 02:37:12,375 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2023-08-29 02:37:12,375 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:12,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:37:12,376 INFO L119 LiptonReduction]: Number of co-enabled transitions 594 [2023-08-29 02:37:13,604 INFO L134 LiptonReduction]: Checked pairs total: 428 [2023-08-29 02:37:13,604 INFO L136 LiptonReduction]: Total number of compositions: 42 [2023-08-29 02:37:13,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:37:13,622 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;@59da64c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:37:13,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-08-29 02:37:13,625 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-29 02:37:13,625 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:13,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:13,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 02:37:13,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 02:37:13,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 183424, now seen corresponding path program 1 times [2023-08-29 02:37:13,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:13,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563117745] [2023-08-29 02:37:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:13,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:13,776 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 02:37:13,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:13,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563117745] [2023-08-29 02:37:13,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563117745] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:13,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:13,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 02:37:13,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941102620] [2023-08-29 02:37:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:13,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 02:37:13,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:13,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 02:37:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 02:37:13,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 90 [2023-08-29 02:37:13,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 9 transitions, 24 flow. Second operand has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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 02:37:13,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:13,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 90 [2023-08-29 02:37:13,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:13,826 INFO L130 PetriNetUnfolder]: 7/20 cut-off events. [2023-08-29 02:37:13,827 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:13,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 20 events. 7/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 7 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 40. Up to 21 conditions per place. [2023-08-29 02:37:13,828 INFO L137 encePairwiseOnDemand]: 88/90 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions. [2023-08-29 02:37:13,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 7 transitions, 34 flow [2023-08-29 02:37:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 02:37:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 02:37:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 101 transitions. [2023-08-29 02:37:13,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5611111111111111 [2023-08-29 02:37:13,840 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 101 transitions. [2023-08-29 02:37:13,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 101 transitions. [2023-08-29 02:37:13,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:13,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 101 transitions. [2023-08-29 02:37:13,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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 02:37:13,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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 02:37:13,849 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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 02:37:13,850 INFO L175 Difference]: Start difference. First operand has 16 places, 9 transitions, 24 flow. Second operand 2 states and 101 transitions. [2023-08-29 02:37:13,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 7 transitions, 34 flow [2023-08-29 02:37:13,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 7 transitions, 32 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:37:13,864 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-29 02:37:13,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-29 02:37:13,871 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, -3 predicate places. [2023-08-29 02:37:13,871 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-29 02:37:13,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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 02:37:13,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2023-08-29 02:37:13,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-08-29 02:37:13,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-08-29 02:37:13,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-08-29 02:37:13,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-08-29 02:37:13,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-08-29 02:37:13,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:37:13,877 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 02:37:13,884 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:37:13,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:37:13,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:37:13 BasicIcfg [2023-08-29 02:37:13,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:37:13,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:37:13,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:37:13,903 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:37:13,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:12" (3/4) ... [2023-08-29 02:37:13,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:37:13,913 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2023-08-29 02:37:13,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2023-08-29 02:37:13,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-08-29 02:37:13,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 02:37:13,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:37:13,946 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:37:13,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:37:13,948 INFO L158 Benchmark]: Toolchain (without parser) took 2840.38ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 64.3MB in the end (delta: -13.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,948 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:37:13,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.73ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 43.8MB in the end (delta: 7.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,952 INFO L158 Benchmark]: Boogie Preprocessor took 26.41ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 40.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,952 INFO L158 Benchmark]: RCFGBuilder took 359.48ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 52.1MB in the end (delta: -11.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,952 INFO L158 Benchmark]: TraceAbstraction took 1705.19ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.7MB in the beginning and 67.2MB in the end (delta: -15.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,953 INFO L158 Benchmark]: Witness Printer took 44.40ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 64.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:13,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.73ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 43.8MB in the end (delta: 7.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.41ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 40.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.48ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 52.1MB in the end (delta: -11.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.19ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.7MB in the beginning and 67.2MB in the end (delta: -15.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 44.40ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 64.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 53 PlacesBefore, 16 PlacesAfterwards, 46 TransitionsBefore, 9 TransitionsAfterwards, 594 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, 428 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 428, independent: 428, independent conditional: 0, independent unconditional: 428, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 306, independent: 306, independent conditional: 0, independent unconditional: 306, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 428, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 306, unknown conditional: 0, unknown unconditional: 306] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 920]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 5 procedures, 71 locations, 6 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: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, 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, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:37:13,970 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 Writing output log to file Ultimate.log Result: TRUE