./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/weaver/chl-simpl-str-subst.wvr.c -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 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:35:06,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:35:06,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:35:06,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:35:06,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:35:06,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:35:06,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:35:06,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:35:06,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:35:06,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:35:06,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:35:06,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:35:06,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:35:06,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:35:06,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:35:06,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:35:06,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:35:06,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:35:06,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:35:06,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:35:06,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:35:06,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:35:06,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:35:06,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:35:06,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:35:06,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:35:06,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:35:06,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:35:06,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:35:06,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:35:06,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:35:06,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:35:06,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:35:06,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:35:06,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:35:06,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:35:06,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:35:06,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:35:06,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:35:06,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:35:06,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:35:06,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:35:06,597 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:35:06,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:35:06,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:35:06,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:35:06,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:35:06,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:35:06,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:35:06,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:35:06,599 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:35:06,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:35:06,600 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:35:06,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:35:06,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:35:06,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:35:06,602 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:35:06,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:35:06,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:35:06,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:35:06,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:35:06,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:35:06,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:35:06,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:35:06,604 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:35:06,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:35:06,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:35:06,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:35:06,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:35:06,828 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:35:06,828 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:35:06,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c [2023-08-31 21:35:07,830 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:35:07,957 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:35:07,958 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c [2023-08-31 21:35:07,962 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a475ec8e2/54f9a541a2c846ee8a5c67a42e0d1c0d/FLAG1f43f939e [2023-08-31 21:35:07,978 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a475ec8e2/54f9a541a2c846ee8a5c67a42e0d1c0d [2023-08-31 21:35:07,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:35:07,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:35:07,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:35:07,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:35:07,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:35:07,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:35:07" (1/1) ... [2023-08-31 21:35:07,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70caa596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:07, skipping insertion in model container [2023-08-31 21:35:07,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:35:07" (1/1) ... [2023-08-31 21:35:07,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:35:08,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:35:08,157 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c[2575,2588] [2023-08-31 21:35:08,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:35:08,172 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:35:08,208 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c[2575,2588] [2023-08-31 21:35:08,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:35:08,223 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:35:08,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08 WrapperNode [2023-08-31 21:35:08,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:35:08,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:35:08,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:35:08,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:35:08,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,267 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 268 [2023-08-31 21:35:08,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:35:08,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:35:08,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:35:08,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:35:08,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:35:08,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:35:08,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:35:08,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:35:08,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (1/1) ... [2023-08-31 21:35:08,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:35:08,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:35:08,326 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) [2023-08-31 21:35:08,348 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 [2023-08-31 21:35:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:35:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:35:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:35:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:35:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:35:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:35:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:35:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:35:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:35:08,363 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:35:08,452 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:35:08,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:35:08,801 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:35:08,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:35:08,809 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 21:35:08,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:08 BoogieIcfgContainer [2023-08-31 21:35:08,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:35:08,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:35:08,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:35:08,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:35:08,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:35:07" (1/3) ... [2023-08-31 21:35:08,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd37c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:35:08, skipping insertion in model container [2023-08-31 21:35:08,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:08" (2/3) ... [2023-08-31 21:35:08,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd37c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:35:08, skipping insertion in model container [2023-08-31 21:35:08,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:08" (3/3) ... [2023-08-31 21:35:08,823 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-subst.wvr.c [2023-08-31 21:35:08,827 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:35:08,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:35:08,833 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-31 21:35:08,833 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:35:08,910 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:35:08,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 327 transitions, 678 flow [2023-08-31 21:35:09,047 INFO L130 PetriNetUnfolder]: 15/324 cut-off events. [2023-08-31 21:35:09,048 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:35:09,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 324 events. 15/324 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 728 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2023-08-31 21:35:09,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 327 transitions, 678 flow [2023-08-31 21:35:09,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 304 transitions, 626 flow [2023-08-31 21:35:09,073 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:35:09,082 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 304 transitions, 626 flow [2023-08-31 21:35:09,086 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 304 transitions, 626 flow [2023-08-31 21:35:09,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 304 transitions, 626 flow [2023-08-31 21:35:09,140 INFO L130 PetriNetUnfolder]: 13/304 cut-off events. [2023-08-31 21:35:09,140 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:35:09,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 304 events. 13/304 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 708 event pairs, 0 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2023-08-31 21:35:09,153 INFO L119 LiptonReduction]: Number of co-enabled transitions 25272 [2023-08-31 21:35:14,724 INFO L134 LiptonReduction]: Checked pairs total: 74166 [2023-08-31 21:35:14,724 INFO L136 LiptonReduction]: Total number of compositions: 300 [2023-08-31 21:35:14,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:35:14,737 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;@5cc1cbdc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:35:14,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-08-31 21:35:14,739 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:35:14,739 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:35:14,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:14,739 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:35:14,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:14,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:14,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1202, now seen corresponding path program 1 times [2023-08-31 21:35:14,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:14,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828718758] [2023-08-31 21:35:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:14,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:14,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828718758] [2023-08-31 21:35:14,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828718758] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:14,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:14,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:35:14,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868225010] [2023-08-31 21:35:14,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:14,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:35:14,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:14,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:35:14,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:35:14,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 627 [2023-08-31 21:35:14,829 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 312.5) internal successors, (625), 2 states have internal predecessors, (625), 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) [2023-08-31 21:35:14,829 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:14,829 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 627 [2023-08-31 21:35:14,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:15,057 INFO L130 PetriNetUnfolder]: 1661/2651 cut-off events. [2023-08-31 21:35:15,058 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-08-31 21:35:15,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5048 conditions, 2651 events. 1661/2651 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 15912 event pairs, 1125 based on Foata normal form. 74/2039 useless extension candidates. Maximal degree in co-relation 4460. Up to 2264 conditions per place. [2023-08-31 21:35:15,069 INFO L137 encePairwiseOnDemand]: 611/627 looper letters, 32 selfloop transitions, 0 changer transitions 1/67 dead transitions. [2023-08-31 21:35:15,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 218 flow [2023-08-31 21:35:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:35:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:35:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 673 transitions. [2023-08-31 21:35:15,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5366826156299841 [2023-08-31 21:35:15,079 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 673 transitions. [2023-08-31 21:35:15,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 673 transitions. [2023-08-31 21:35:15,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:15,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 673 transitions. [2023-08-31 21:35:15,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 336.5) internal successors, (673), 2 states have internal predecessors, (673), 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) [2023-08-31 21:35:15,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2023-08-31 21:35:15,089 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2023-08-31 21:35:15,090 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 673 transitions. [2023-08-31 21:35:15,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 218 flow [2023-08-31 21:35:15,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 67 transitions, 206 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:35:15,096 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 137 flow [2023-08-31 21:35:15,098 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=137, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-31 21:35:15,099 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-31 21:35:15,100 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 137 flow [2023-08-31 21:35:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 312.5) internal successors, (625), 2 states have internal predecessors, (625), 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) [2023-08-31 21:35:15,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:15,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 21:35:15,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:35:15,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:15,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:15,101 INFO L85 PathProgramCache]: Analyzing trace with hash 37032849, now seen corresponding path program 1 times [2023-08-31 21:35:15,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:15,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916413767] [2023-08-31 21:35:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:15,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:15,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916413767] [2023-08-31 21:35:15,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916413767] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:15,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:15,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:15,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539859084] [2023-08-31 21:35:15,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:15,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:15,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:15,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:15,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-31 21:35:15,164 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-08-31 21:35:15,164 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:15,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-31 21:35:15,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:15,432 INFO L130 PetriNetUnfolder]: 2453/4553 cut-off events. [2023-08-31 21:35:15,433 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-31 21:35:15,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7971 conditions, 4553 events. 2453/4553 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 33670 event pairs, 581 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 7968. Up to 3324 conditions per place. [2023-08-31 21:35:15,450 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 47 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-31 21:35:15,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 261 flow [2023-08-31 21:35:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2023-08-31 21:35:15,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5135566188197768 [2023-08-31 21:35:15,453 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2023-08-31 21:35:15,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2023-08-31 21:35:15,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:15,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2023-08-31 21:35:15,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 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) [2023-08-31 21:35:15,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:15,459 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:15,459 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 137 flow. Second operand 3 states and 966 transitions. [2023-08-31 21:35:15,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 261 flow [2023-08-31 21:35:15,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 261 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:15,461 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 147 flow [2023-08-31 21:35:15,461 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-31 21:35:15,462 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-31 21:35:15,462 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 147 flow [2023-08-31 21:35:15,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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) [2023-08-31 21:35:15,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:15,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:35:15,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:35:15,463 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:15,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:15,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1228861489, now seen corresponding path program 1 times [2023-08-31 21:35:15,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:15,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855776628] [2023-08-31 21:35:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:15,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:15,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:15,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855776628] [2023-08-31 21:35:15,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855776628] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:15,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:15,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4222329] [2023-08-31 21:35:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:15,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:15,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:15,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:15,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:15,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 627 [2023-08-31 21:35:15,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2023-08-31 21:35:15,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:15,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 627 [2023-08-31 21:35:15,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:15,736 INFO L130 PetriNetUnfolder]: 2051/3736 cut-off events. [2023-08-31 21:35:15,737 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-31 21:35:15,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 3736 events. 2051/3736 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 26475 event pairs, 330 based on Foata normal form. 0/3030 useless extension candidates. Maximal degree in co-relation 6607. Up to 2724 conditions per place. [2023-08-31 21:35:15,763 INFO L137 encePairwiseOnDemand]: 621/627 looper letters, 45 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2023-08-31 21:35:15,763 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 269 flow [2023-08-31 21:35:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-08-31 21:35:15,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5087719298245614 [2023-08-31 21:35:15,766 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-08-31 21:35:15,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-08-31 21:35:15,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:15,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-08-31 21:35:15,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2023-08-31 21:35:15,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:15,771 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:15,771 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 147 flow. Second operand 3 states and 957 transitions. [2023-08-31 21:35:15,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 269 flow [2023-08-31 21:35:15,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 269 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:15,773 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 162 flow [2023-08-31 21:35:15,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-31 21:35:15,773 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-31 21:35:15,773 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 162 flow [2023-08-31 21:35:15,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2023-08-31 21:35:15,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:15,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:15,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:35:15,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:15,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:15,775 INFO L85 PathProgramCache]: Analyzing trace with hash -559986524, now seen corresponding path program 1 times [2023-08-31 21:35:15,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:15,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337458083] [2023-08-31 21:35:15,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:15,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:15,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337458083] [2023-08-31 21:35:15,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337458083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:15,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:15,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:15,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772661574] [2023-08-31 21:35:15,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:15,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:15,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:15,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:15,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:15,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 627 [2023-08-31 21:35:15,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-08-31 21:35:15,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:15,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 627 [2023-08-31 21:35:15,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:16,048 INFO L130 PetriNetUnfolder]: 1976/3147 cut-off events. [2023-08-31 21:35:16,048 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2023-08-31 21:35:16,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6179 conditions, 3147 events. 1976/3147 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 19285 event pairs, 949 based on Foata normal form. 0/2292 useless extension candidates. Maximal degree in co-relation 6174. Up to 2163 conditions per place. [2023-08-31 21:35:16,064 INFO L137 encePairwiseOnDemand]: 622/627 looper letters, 49 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2023-08-31 21:35:16,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 84 transitions, 306 flow [2023-08-31 21:35:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2023-08-31 21:35:16,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5156831472620946 [2023-08-31 21:35:16,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 970 transitions. [2023-08-31 21:35:16,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 970 transitions. [2023-08-31 21:35:16,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:16,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 970 transitions. [2023-08-31 21:35:16,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2023-08-31 21:35:16,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:16,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:16,072 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 162 flow. Second operand 3 states and 970 transitions. [2023-08-31 21:35:16,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 84 transitions, 306 flow [2023-08-31 21:35:16,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 84 transitions, 306 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:16,074 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 168 flow [2023-08-31 21:35:16,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2023-08-31 21:35:16,074 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2023-08-31 21:35:16,074 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 168 flow [2023-08-31 21:35:16,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-08-31 21:35:16,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:16,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:16,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:35:16,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:16,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2125508702, now seen corresponding path program 1 times [2023-08-31 21:35:16,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:16,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024982011] [2023-08-31 21:35:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:16,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:16,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024982011] [2023-08-31 21:35:16,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024982011] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:16,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:16,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:16,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999198244] [2023-08-31 21:35:16,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:16,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:16,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:16,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:16,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:16,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 627 [2023-08-31 21:35:16,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2023-08-31 21:35:16,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:16,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 627 [2023-08-31 21:35:16,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:16,461 INFO L130 PetriNetUnfolder]: 3726/6312 cut-off events. [2023-08-31 21:35:16,461 INFO L131 PetriNetUnfolder]: For 926/926 co-relation queries the response was YES. [2023-08-31 21:35:16,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12676 conditions, 6312 events. 3726/6312 cut-off events. For 926/926 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 43537 event pairs, 627 based on Foata normal form. 0/5018 useless extension candidates. Maximal degree in co-relation 12670. Up to 4490 conditions per place. [2023-08-31 21:35:16,482 INFO L137 encePairwiseOnDemand]: 619/627 looper letters, 57 selfloop transitions, 4 changer transitions 0/83 dead transitions. [2023-08-31 21:35:16,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 83 transitions, 346 flow [2023-08-31 21:35:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2023-08-31 21:35:16,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5093035619351409 [2023-08-31 21:35:16,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2023-08-31 21:35:16,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2023-08-31 21:35:16,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:16,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2023-08-31 21:35:16,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2023-08-31 21:35:16,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:16,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:16,490 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 168 flow. Second operand 3 states and 958 transitions. [2023-08-31 21:35:16,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 83 transitions, 346 flow [2023-08-31 21:35:16,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 83 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:35:16,498 INFO L231 Difference]: Finished difference. Result has 64 places, 65 transitions, 180 flow [2023-08-31 21:35:16,498 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=64, PETRI_TRANSITIONS=65} [2023-08-31 21:35:16,499 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2023-08-31 21:35:16,499 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 65 transitions, 180 flow [2023-08-31 21:35:16,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2023-08-31 21:35:16,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:16,500 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:16,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:35:16,500 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:16,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash -179805762, now seen corresponding path program 1 times [2023-08-31 21:35:16,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:16,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006181549] [2023-08-31 21:35:16,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:16,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006181549] [2023-08-31 21:35:16,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006181549] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:16,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:16,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:16,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501915787] [2023-08-31 21:35:16,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:16,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:16,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:16,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:16,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-31 21:35:16,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-08-31 21:35:16,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:16,555 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-31 21:35:16,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:16,982 INFO L130 PetriNetUnfolder]: 4176/6590 cut-off events. [2023-08-31 21:35:16,982 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-31 21:35:16,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12989 conditions, 6590 events. 4176/6590 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 43078 event pairs, 1067 based on Foata normal form. 0/5198 useless extension candidates. Maximal degree in co-relation 12983. Up to 3412 conditions per place. [2023-08-31 21:35:17,005 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 66 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2023-08-31 21:35:17,006 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 94 transitions, 388 flow [2023-08-31 21:35:17,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2023-08-31 21:35:17,008 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215311004784688 [2023-08-31 21:35:17,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 981 transitions. [2023-08-31 21:35:17,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 981 transitions. [2023-08-31 21:35:17,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:17,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 981 transitions. [2023-08-31 21:35:17,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2023-08-31 21:35:17,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,013 INFO L175 Difference]: Start difference. First operand has 64 places, 65 transitions, 180 flow. Second operand 3 states and 981 transitions. [2023-08-31 21:35:17,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 94 transitions, 388 flow [2023-08-31 21:35:17,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 94 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:17,016 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 190 flow [2023-08-31 21:35:17,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-08-31 21:35:17,018 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-31 21:35:17,020 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 190 flow [2023-08-31 21:35:17,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-08-31 21:35:17,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:17,021 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:17,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:35:17,021 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:17,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1466248651, now seen corresponding path program 1 times [2023-08-31 21:35:17,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:17,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376033932] [2023-08-31 21:35:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:17,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376033932] [2023-08-31 21:35:17,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376033932] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:17,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:17,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:17,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373921521] [2023-08-31 21:35:17,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:17,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:17,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:17,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:17,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:17,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-31 21:35:17,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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) [2023-08-31 21:35:17,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:17,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-31 21:35:17,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:17,350 INFO L130 PetriNetUnfolder]: 3248/4982 cut-off events. [2023-08-31 21:35:17,350 INFO L131 PetriNetUnfolder]: For 345/349 co-relation queries the response was YES. [2023-08-31 21:35:17,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10457 conditions, 4982 events. 3248/4982 cut-off events. For 345/349 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 30324 event pairs, 1532 based on Foata normal form. 0/3690 useless extension candidates. Maximal degree in co-relation 10450. Up to 3376 conditions per place. [2023-08-31 21:35:17,368 INFO L137 encePairwiseOnDemand]: 622/627 looper letters, 52 selfloop transitions, 4 changer transitions 0/85 dead transitions. [2023-08-31 21:35:17,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 85 transitions, 354 flow [2023-08-31 21:35:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2023-08-31 21:35:17,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5140882509303561 [2023-08-31 21:35:17,371 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 967 transitions. [2023-08-31 21:35:17,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 967 transitions. [2023-08-31 21:35:17,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:17,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 967 transitions. [2023-08-31 21:35:17,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2023-08-31 21:35:17,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,375 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 190 flow. Second operand 3 states and 967 transitions. [2023-08-31 21:35:17,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 85 transitions, 354 flow [2023-08-31 21:35:17,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 85 transitions, 354 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:17,377 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 196 flow [2023-08-31 21:35:17,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-08-31 21:35:17,378 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-31 21:35:17,378 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 196 flow [2023-08-31 21:35:17,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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) [2023-08-31 21:35:17,378 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:17,378 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:17,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:35:17,379 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:17,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:17,379 INFO L85 PathProgramCache]: Analyzing trace with hash -994620958, now seen corresponding path program 1 times [2023-08-31 21:35:17,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:17,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945456221] [2023-08-31 21:35:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:17,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:17,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:17,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945456221] [2023-08-31 21:35:17,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945456221] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:17,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:17,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099695201] [2023-08-31 21:35:17,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:17,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:17,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:17,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-31 21:35:17,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-08-31 21:35:17,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:17,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-31 21:35:17,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:17,848 INFO L130 PetriNetUnfolder]: 5207/8097 cut-off events. [2023-08-31 21:35:17,849 INFO L131 PetriNetUnfolder]: For 1755/1759 co-relation queries the response was YES. [2023-08-31 21:35:17,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18029 conditions, 8097 events. 5207/8097 cut-off events. For 1755/1759 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 53535 event pairs, 1746 based on Foata normal form. 0/6539 useless extension candidates. Maximal degree in co-relation 18021. Up to 3877 conditions per place. [2023-08-31 21:35:17,884 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 67 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2023-08-31 21:35:17,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 93 transitions, 413 flow [2023-08-31 21:35:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 982 transitions. [2023-08-31 21:35:17,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5220627325890483 [2023-08-31 21:35:17,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 982 transitions. [2023-08-31 21:35:17,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 982 transitions. [2023-08-31 21:35:17,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:17,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 982 transitions. [2023-08-31 21:35:17,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2023-08-31 21:35:17,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:17,892 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 196 flow. Second operand 3 states and 982 transitions. [2023-08-31 21:35:17,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 93 transitions, 413 flow [2023-08-31 21:35:17,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 93 transitions, 397 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:35:17,897 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 198 flow [2023-08-31 21:35:17,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2023-08-31 21:35:17,898 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-31 21:35:17,898 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 198 flow [2023-08-31 21:35:17,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-08-31 21:35:17,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:17,898 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:17,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:35:17,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-31 21:35:17,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:17,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1514382091, now seen corresponding path program 1 times [2023-08-31 21:35:17,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:17,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490945864] [2023-08-31 21:35:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:17,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:17,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:17,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490945864] [2023-08-31 21:35:17,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490945864] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:17,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:17,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055252346] [2023-08-31 21:35:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:17,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:17,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:17,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:17,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:17,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-31 21:35:17,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-08-31 21:35:17,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:17,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-31 21:35:17,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:18,413 INFO L130 PetriNetUnfolder]: 5369/8084 cut-off events. [2023-08-31 21:35:18,413 INFO L131 PetriNetUnfolder]: For 602/606 co-relation queries the response was YES. [2023-08-31 21:35:18,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17239 conditions, 8084 events. 5369/8084 cut-off events. For 602/606 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 50133 event pairs, 1931 based on Foata normal form. 0/6405 useless extension candidates. Maximal degree in co-relation 17231. Up to 4018 conditions per place. [2023-08-31 21:35:18,431 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2023-08-31 21:35:18,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 93 transitions, 410 flow [2023-08-31 21:35:18,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-08-31 21:35:18,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.52046783625731 [2023-08-31 21:35:18,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-08-31 21:35:18,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-08-31 21:35:18,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:18,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-08-31 21:35:18,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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) [2023-08-31 21:35:18,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:18,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 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) [2023-08-31 21:35:18,439 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 198 flow. Second operand 3 states and 979 transitions. [2023-08-31 21:35:18,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 93 transitions, 410 flow [2023-08-31 21:35:18,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 93 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:18,440 INFO L231 Difference]: Finished difference. Result has 65 places, 0 transitions, 0 flow [2023-08-31 21:35:18,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=65, PETRI_TRANSITIONS=0} [2023-08-31 21:35:18,441 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-31 21:35:18,441 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 0 transitions, 0 flow [2023-08-31 21:35:18,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 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) [2023-08-31 21:35:18,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2023-08-31 21:35:18,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2023-08-31 21:35:18,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2023-08-31 21:35:18,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2023-08-31 21:35:18,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2023-08-31 21:35:18,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2023-08-31 21:35:18,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2023-08-31 21:35:18,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2023-08-31 21:35:18,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2023-08-31 21:35:18,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2023-08-31 21:35:18,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2023-08-31 21:35:18,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2023-08-31 21:35:18,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2023-08-31 21:35:18,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2023-08-31 21:35:18,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:35:18,453 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:18,456 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:35:18,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:35:18,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:35:18 BasicIcfg [2023-08-31 21:35:18,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:35:18,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:35:18,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:35:18,459 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:35:18,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:08" (3/4) ... [2023-08-31 21:35:18,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:35:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:35:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:35:18,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:35:18,467 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-31 21:35:18,467 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:35:18,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:35:18,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:35:18,490 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:35:18,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:35:18,491 INFO L158 Benchmark]: Toolchain (without parser) took 10510.44ms. Allocated memory was 81.8MB in the beginning and 855.6MB in the end (delta: 773.8MB). Free memory was 36.8MB in the beginning and 536.6MB in the end (delta: -499.7MB). Peak memory consumption was 276.7MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,491 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:35:18,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.65ms. Allocated memory is still 81.8MB. Free memory was 36.6MB in the beginning and 54.6MB in the end (delta: -18.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.85ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,492 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 50.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,492 INFO L158 Benchmark]: RCFGBuilder took 512.14ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 53.9MB in the end (delta: -3.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,492 INFO L158 Benchmark]: TraceAbstraction took 9641.44ms. Allocated memory was 81.8MB in the beginning and 855.6MB in the end (delta: 773.8MB). Free memory was 53.1MB in the beginning and 540.7MB in the end (delta: -487.7MB). Peak memory consumption was 546.7MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,493 INFO L158 Benchmark]: Witness Printer took 32.21ms. Allocated memory is still 855.6MB. Free memory was 540.7MB in the beginning and 536.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:35:18,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.65ms. Allocated memory is still 81.8MB. Free memory was 36.6MB in the beginning and 54.6MB in the end (delta: -18.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.85ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 50.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.14ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 53.9MB in the end (delta: -3.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9641.44ms. Allocated memory was 81.8MB in the beginning and 855.6MB in the end (delta: 773.8MB). Free memory was 53.1MB in the beginning and 540.7MB in the end (delta: -487.7MB). Peak memory consumption was 546.7MB. Max. memory is 16.1GB. * Witness Printer took 32.21ms. Allocated memory is still 855.6MB. Free memory was 540.7MB in the beginning and 536.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 301 PlacesBefore, 86 PlacesAfterwards, 304 TransitionsBefore, 83 TransitionsAfterwards, 25272 CoEnabledTransitionPairs, 8 FixpointIterations, 116 TrivialSequentialCompositions, 140 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 36 ConcurrentYvCompositions, 6 ChoiceCompositions, 300 TotalNumberOfCompositions, 74166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41282, independent: 40444, independent conditional: 0, independent unconditional: 40444, dependent: 838, dependent conditional: 0, dependent unconditional: 838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 14771, independent: 14686, independent conditional: 0, independent unconditional: 14686, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41282, independent: 25758, independent conditional: 0, independent unconditional: 25758, dependent: 753, dependent conditional: 0, dependent unconditional: 753, unknown: 14771, unknown conditional: 0, unknown unconditional: 14771] , Statistics on independence cache: Total cache size (in pairs): 1085, Positive cache size: 1037, Positive conditional cache size: 0, Positive unconditional cache size: 1037, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 7 procedures, 469 locations, 53 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: 9.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 50 mSDtfsCounter, 724 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=8, InterpolantAutomatonStates: 26, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:35:18,517 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