./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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_01-thread_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 1f1f1c8f9ab1c230a124cee5d642a3f2063dd1bf51b20bdb3c19b17194d93f67 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:08:35,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:08:35,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:08:35,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:08:35,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:08:35,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:08:35,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:08:35,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:08:35,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:08:35,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:08:35,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:08:35,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:08:35,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:08:35,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:08:35,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:08:35,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:08:35,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:08:35,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:08:35,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:08:35,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:08:35,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:08:35,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:08:35,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:08:35,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:08:35,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:08:35,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:08:35,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:08:35,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:08:35,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:08:35,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:08:35,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:08:35,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:08:35,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:08:35,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:08:35,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:08:35,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:08:35,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:08:35,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:08:35,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:08:35,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:08:35,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:08:35,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:08:35,263 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:08:35,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:08:35,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:08:35,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:08:35,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:08:35,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:08:35,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:08:35,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:08:35,266 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:08:35,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:08:35,267 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:08:35,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:08:35,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:08:35,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:08:35,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:08:35,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:08:35,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:08:35,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:08:35,269 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:08:35,269 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:08:35,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:08:35,269 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:08:35,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:08:35,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:08:35,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:08:35,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:08:35,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:08:35,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:08:35,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:08:35,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:08:35,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:08:35,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:08:35,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:08:35,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:08:35,272 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:08:35,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:08:35,272 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:08:35,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f1f1c8f9ab1c230a124cee5d642a3f2063dd1bf51b20bdb3c19b17194d93f67 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:08:35,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:08:35,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:08:35,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:08:35,664 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:08:35,664 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:08:35,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i [2023-08-29 18:08:36,934 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:08:37,212 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:08:37,213 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i [2023-08-29 18:08:37,229 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce9a4c40/a8e12cc8c9f2472e8568b444356beaae/FLAG5661f4f12 [2023-08-29 18:08:37,244 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce9a4c40/a8e12cc8c9f2472e8568b444356beaae [2023-08-29 18:08:37,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:08:37,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:08:37,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:08:37,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:08:37,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:08:37,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8786b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37, skipping insertion in model container [2023-08-29 18:08:37,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:08:37,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:08:37,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:08:37,672 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:08:37,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:08:37,817 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:08:37,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37 WrapperNode [2023-08-29 18:08:37,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:08:37,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:08:37,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:08:37,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:08:37,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,880 INFO L138 Inliner]: procedures = 259, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-08-29 18:08:37,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:08:37,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:08:37,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:08:37,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:08:37,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:08:37,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:08:37,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:08:37,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:08:37,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (1/1) ... [2023-08-29 18:08:37,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:08:37,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:08:37,955 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 18:08:37,973 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 18:08:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:08:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:08:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:08:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:08:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 18:08:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 18:08:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:08:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:08:38,002 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 18:08:38,184 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:08:38,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:08:38,349 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:08:38,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:08:38,354 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:08:38,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:08:38 BoogieIcfgContainer [2023-08-29 18:08:38,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:08:38,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:08:38,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:08:38,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:08:38,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:08:37" (1/3) ... [2023-08-29 18:08:38,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2113893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:08:38, skipping insertion in model container [2023-08-29 18:08:38,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:08:37" (2/3) ... [2023-08-29 18:08:38,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2113893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:08:38, skipping insertion in model container [2023-08-29 18:08:38,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:08:38" (3/3) ... [2023-08-29 18:08:38,362 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_01-thread_unique.i [2023-08-29 18:08:38,377 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:08:38,385 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:08:38,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-29 18:08:38,386 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:08:38,449 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 18:08:38,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 82 flow [2023-08-29 18:08:38,540 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2023-08-29 18:08:38,540 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 18:08:38,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 36 events. 0/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 18:08:38,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 37 transitions, 82 flow [2023-08-29 18:08:38,548 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 29 transitions, 61 flow [2023-08-29 18:08:38,551 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:08:38,570 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 29 transitions, 61 flow [2023-08-29 18:08:38,572 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 29 transitions, 61 flow [2023-08-29 18:08:38,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 61 flow [2023-08-29 18:08:38,579 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2023-08-29 18:08:38,579 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:08:38,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 18:08:38,580 INFO L119 LiptonReduction]: Number of co-enabled transitions 162 [2023-08-29 18:08:39,649 INFO L134 LiptonReduction]: Checked pairs total: 133 [2023-08-29 18:08:39,649 INFO L136 LiptonReduction]: Total number of compositions: 30 [2023-08-29 18:08:39,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:08:39,673 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;@349c68c9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:08:39,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-29 18:08:39,680 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-29 18:08:39,680 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:08:39,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:08:39,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 18:08:39,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 18:08:39,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:08:39,688 INFO L85 PathProgramCache]: Analyzing trace with hash 143020, now seen corresponding path program 1 times [2023-08-29 18:08:39,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:08:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991989217] [2023-08-29 18:08:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:08:39,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:08:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:08:39,875 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 18:08:39,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:08:39,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991989217] [2023-08-29 18:08:39,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991989217] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:08:39,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:08:39,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 18:08:39,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134118332] [2023-08-29 18:08:39,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:08:39,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:08:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:08:39,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:08:39,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:08:39,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 67 [2023-08-29 18:08:39,921 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 6 transitions, 15 flow. Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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 18:08:39,921 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:08:39,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 67 [2023-08-29 18:08:39,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:08:39,943 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2023-08-29 18:08:39,943 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:08:39,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 6 events. 1/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 1 based on Foata normal form. 0/6 useless extension candidates. Maximal degree in co-relation 8. Up to 7 conditions per place. [2023-08-29 18:08:39,945 INFO L137 encePairwiseOnDemand]: 65/67 looper letters, 0 selfloop transitions, 0 changer transitions 4/4 dead transitions. [2023-08-29 18:08:39,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 4 transitions, 19 flow [2023-08-29 18:08:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:08:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:08:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 76 transitions. [2023-08-29 18:08:39,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5671641791044776 [2023-08-29 18:08:39,958 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 76 transitions. [2023-08-29 18:08:39,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 76 transitions. [2023-08-29 18:08:39,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:08:39,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 76 transitions. [2023-08-29 18:08:39,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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 18:08:39,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 18:08:39,966 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 18:08:39,968 INFO L175 Difference]: Start difference. First operand has 10 places, 6 transitions, 15 flow. Second operand 2 states and 76 transitions. [2023-08-29 18:08:39,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 4 transitions, 19 flow [2023-08-29 18:08:39,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 8 places, 4 transitions, 18 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:08:39,972 INFO L231 Difference]: Finished difference. Result has 8 places, 0 transitions, 0 flow [2023-08-29 18:08:39,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=10, PETRI_DIFFERENCE_MINUEND_PLACES=7, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=8, PETRI_TRANSITIONS=0} [2023-08-29 18:08:39,976 INFO L281 CegarLoopForPetriNet]: 10 programPoint places, -2 predicate places. [2023-08-29 18:08:39,977 INFO L495 AbstractCegarLoop]: Abstraction has has 8 places, 0 transitions, 0 flow [2023-08-29 18:08:39,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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 18:08:39,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-08-29 18:08:39,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-08-29 18:08:39,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-08-29 18:08:39,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-08-29 18:08:39,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:08:39,981 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 18:08:39,986 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:08:39,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:08:39,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:08:39 BasicIcfg [2023-08-29 18:08:39,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:08:39,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:08:39,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:08:39,991 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:08:39,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:08:38" (3/4) ... [2023-08-29 18:08:39,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:08:39,999 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 18:08:40,002 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-29 18:08:40,003 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 18:08:40,003 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:08:40,029 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:08:40,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:08:40,030 INFO L158 Benchmark]: Toolchain (without parser) took 2782.73ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 40.6MB in the end (delta: 18.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-08-29 18:08:40,030 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:08:40,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.11ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 52.5MB in the end (delta: 6.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-29 18:08:40,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.95ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:08:40,032 INFO L158 Benchmark]: Boogie Preprocessor took 38.93ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:08:40,032 INFO L158 Benchmark]: RCFGBuilder took 434.31ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 38.2MB in the end (delta: 10.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 18:08:40,032 INFO L158 Benchmark]: TraceAbstraction took 1632.58ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 43.2MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:08:40,033 INFO L158 Benchmark]: Witness Printer took 39.21ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:08:40,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.11ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 52.5MB in the end (delta: 6.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.95ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.93ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.31ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 38.2MB in the end (delta: 10.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1632.58ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 43.2MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.21ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.7MB). 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: 1.1s, 33 PlacesBefore, 10 PlacesAfterwards, 29 TransitionsBefore, 6 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 30 TotalNumberOfCompositions, 133 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 133, independent conditional: 0, independent unconditional: 133, 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: 77, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 133, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 77, unknown conditional: 0, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 919]: 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, 49 locations, 4 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: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, 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, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 4 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=15occurred 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, 0.1s 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 18:08:40,053 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