./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:51:31,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:51:31,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:51:31,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:51:31,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:51:31,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:51:31,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:51:31,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:51:31,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:51:31,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:51:31,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:51:31,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:51:31,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:51:31,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:51:31,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:51:31,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:51:31,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:51:31,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:51:31,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:51:31,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:51:31,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:51:31,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:51:31,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:51:31,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:51:31,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:51:31,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:51:31,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:51:31,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:51:31,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:51:31,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:51:31,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:51:31,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:51:31,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:51:31,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:51:31,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:51:31,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:51:31,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:51:31,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:51:31,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:51:31,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:51:31,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:51:31,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:51:31,262 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:51:31,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:51:31,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:51:31,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:51:31,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:51:31,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:51:31,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:51:31,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:51:31,266 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:51:31,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:51:31,267 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:51:31,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:51:31,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:51:31,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:51:31,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:51:31,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:51:31,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:51:31,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:51:31,268 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:51:31,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:51:31,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:51:31,269 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:51:31,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:51:31,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:51:31,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:51:31,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:51:31,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:51:31,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:51:31,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:51:31,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:51:31,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:51:31,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:51:31,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:51:31,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:51:31,271 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:51:31,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:51:31,272 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:51:31,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:51:31,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:51:31,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:51:31,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:51:31,607 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:51:31,607 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:51:31,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-08-29 18:51:32,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:51:32,881 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:51:32,882 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-08-29 18:51:32,889 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2578c1b57/b5f8228f078f4cb09bf3af0d6e85944a/FLAGe27ab5b27 [2023-08-29 18:51:32,908 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2578c1b57/b5f8228f078f4cb09bf3af0d6e85944a [2023-08-29 18:51:32,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:51:32,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:51:32,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:51:32,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:51:32,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:51:32,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:51:32" (1/1) ... [2023-08-29 18:51:32,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10794012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:32, skipping insertion in model container [2023-08-29 18:51:32,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:51:32" (1/1) ... [2023-08-29 18:51:32,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:51:32,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:51:33,154 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-exp-term-symm.wvr.c[2628,2641] [2023-08-29 18:51:33,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:51:33,171 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:51:33,220 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-exp-term-symm.wvr.c[2628,2641] [2023-08-29 18:51:33,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:51:33,242 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:51:33,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33 WrapperNode [2023-08-29 18:51:33,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:51:33,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:51:33,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:51:33,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:51:33,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,309 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 254 [2023-08-29 18:51:33,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:51:33,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:51:33,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:51:33,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:51:33,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,342 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:51:33,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:51:33,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:51:33,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:51:33,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (1/1) ... [2023-08-29 18:51:33,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:51:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:51:33,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:51:33,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:51:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:51:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:51:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:51:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:51:33,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:51:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:51:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:51:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:51:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:51:33,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:51:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:51:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:51:33,442 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:51:33,600 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:51:33,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:51:33,950 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:51:33,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:51:33,962 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:51:33,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:33 BoogieIcfgContainer [2023-08-29 18:51:33,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:51:33,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:51:33,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:51:33,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:51:33,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:51:32" (1/3) ... [2023-08-29 18:51:33,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:51:33, skipping insertion in model container [2023-08-29 18:51:33,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:33" (2/3) ... [2023-08-29 18:51:33,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:51:33, skipping insertion in model container [2023-08-29 18:51:33,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:33" (3/3) ... [2023-08-29 18:51:33,972 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2023-08-29 18:51:33,979 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:51:33,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:51:33,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-08-29 18:51:33,988 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:51:34,096 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 18:51:34,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 320 transitions, 656 flow [2023-08-29 18:51:34,233 INFO L130 PetriNetUnfolder]: 22/318 cut-off events. [2023-08-29 18:51:34,233 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:51:34,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 318 events. 22/318 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 806 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-08-29 18:51:34,244 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 320 transitions, 656 flow [2023-08-29 18:51:34,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 287 places, 300 transitions, 612 flow [2023-08-29 18:51:34,277 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:51:34,294 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 300 transitions, 612 flow [2023-08-29 18:51:34,300 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 300 transitions, 612 flow [2023-08-29 18:51:34,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 300 transitions, 612 flow [2023-08-29 18:51:34,393 INFO L130 PetriNetUnfolder]: 20/300 cut-off events. [2023-08-29 18:51:34,394 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:51:34,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 300 events. 20/300 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 793 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-08-29 18:51:34,410 INFO L119 LiptonReduction]: Number of co-enabled transitions 21716 [2023-08-29 18:51:40,658 INFO L134 LiptonReduction]: Checked pairs total: 76618 [2023-08-29 18:51:40,658 INFO L136 LiptonReduction]: Total number of compositions: 295 [2023-08-29 18:51:40,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:51:40,689 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;@31a5c3b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:51:40,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2023-08-29 18:51:40,693 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:51:40,694 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:51:40,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:40,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:51:40,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:40,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:40,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 1 times [2023-08-29 18:51:40,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:40,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428618603] [2023-08-29 18:51:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:40,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428618603] [2023-08-29 18:51:40,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428618603] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:40,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:40,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:51:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932512485] [2023-08-29 18:51:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:40,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:51:40,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:51:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:51:40,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 615 [2023-08-29 18:51:40,883 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 98 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 308.5) internal successors, (617), 2 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:40,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:40,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 615 [2023-08-29 18:51:40,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:41,145 INFO L130 PetriNetUnfolder]: 738/1613 cut-off events. [2023-08-29 18:51:41,145 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2023-08-29 18:51:41,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1613 events. 738/1613 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11057 event pairs, 426 based on Foata normal form. 42/1245 useless extension candidates. Maximal degree in co-relation 2594. Up to 1075 conditions per place. [2023-08-29 18:51:41,158 INFO L137 encePairwiseOnDemand]: 600/615 looper letters, 41 selfloop transitions, 0 changer transitions 1/83 dead transitions. [2023-08-29 18:51:41,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 262 flow [2023-08-29 18:51:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:51:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:51:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 673 transitions. [2023-08-29 18:51:41,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5471544715447154 [2023-08-29 18:51:41,178 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 673 transitions. [2023-08-29 18:51:41,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 673 transitions. [2023-08-29 18:51:41,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:41,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 673 transitions. [2023-08-29 18:51:41,190 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) [2023-08-29 18:51:41,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,198 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,199 INFO L175 Difference]: Start difference. First operand has 91 places, 98 transitions, 208 flow. Second operand 2 states and 673 transitions. [2023-08-29 18:51:41,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 262 flow [2023-08-29 18:51:41,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 83 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:51:41,206 INFO L231 Difference]: Finished difference. Result has 75 places, 82 transitions, 167 flow [2023-08-29 18:51:41,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=167, PETRI_PLACES=75, PETRI_TRANSITIONS=82} [2023-08-29 18:51:41,211 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -16 predicate places. [2023-08-29 18:51:41,212 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 82 transitions, 167 flow [2023-08-29 18:51:41,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 308.5) internal successors, (617), 2 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:41,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 18:51:41,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:51:41,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:41,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:41,224 INFO L85 PathProgramCache]: Analyzing trace with hash 37748313, now seen corresponding path program 1 times [2023-08-29 18:51:41,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:41,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401102621] [2023-08-29 18:51:41,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:41,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:41,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401102621] [2023-08-29 18:51:41,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401102621] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:41,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:41,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:41,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984920989] [2023-08-29 18:51:41,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:41,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:41,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:41,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:41,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:41,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 615 [2023-08-29 18:51:41,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:41,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 615 [2023-08-29 18:51:41,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:41,534 INFO L130 PetriNetUnfolder]: 1053/2113 cut-off events. [2023-08-29 18:51:41,534 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 18:51:41,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 2113 events. 1053/2113 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 13485 event pairs, 390 based on Foata normal form. 0/1607 useless extension candidates. Maximal degree in co-relation 3692. Up to 1557 conditions per place. [2023-08-29 18:51:41,544 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 50 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-08-29 18:51:41,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 270 flow [2023-08-29 18:51:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2023-08-29 18:51:41,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5013550135501355 [2023-08-29 18:51:41,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 925 transitions. [2023-08-29 18:51:41,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 925 transitions. [2023-08-29 18:51:41,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:41,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 925 transitions. [2023-08-29 18:51:41,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,563 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,564 INFO L175 Difference]: Start difference. First operand has 75 places, 82 transitions, 167 flow. Second operand 3 states and 925 transitions. [2023-08-29 18:51:41,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 270 flow [2023-08-29 18:51:41,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 81 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:41,566 INFO L231 Difference]: Finished difference. Result has 71 places, 78 transitions, 169 flow [2023-08-29 18:51:41,566 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=71, PETRI_TRANSITIONS=78} [2023-08-29 18:51:41,567 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2023-08-29 18:51:41,567 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 169 flow [2023-08-29 18:51:41,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,568 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:41,568 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:51:41,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:51:41,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:41,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:41,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1916414779, now seen corresponding path program 1 times [2023-08-29 18:51:41,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:41,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688014948] [2023-08-29 18:51:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:41,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:41,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688014948] [2023-08-29 18:51:41,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688014948] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:41,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:41,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:41,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392515306] [2023-08-29 18:51:41,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:41,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:41,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:41,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:41,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:41,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 615 [2023-08-29 18:51:41,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:41,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 615 [2023-08-29 18:51:41,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:41,852 INFO L130 PetriNetUnfolder]: 970/1920 cut-off events. [2023-08-29 18:51:41,853 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2023-08-29 18:51:41,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3402 conditions, 1920 events. 970/1920 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 11824 event pairs, 338 based on Foata normal form. 0/1481 useless extension candidates. Maximal degree in co-relation 3398. Up to 1434 conditions per place. [2023-08-29 18:51:41,863 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 48 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-08-29 18:51:41,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 77 transitions, 268 flow [2023-08-29 18:51:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2023-08-29 18:51:41,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5002710027100271 [2023-08-29 18:51:41,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 923 transitions. [2023-08-29 18:51:41,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 923 transitions. [2023-08-29 18:51:41,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:41,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 923 transitions. [2023-08-29 18:51:41,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-08-29 18:51:41,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,874 INFO L175 Difference]: Start difference. First operand has 71 places, 78 transitions, 169 flow. Second operand 3 states and 923 transitions. [2023-08-29 18:51:41,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 77 transitions, 268 flow [2023-08-29 18:51:41,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 77 transitions, 268 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:41,878 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 171 flow [2023-08-29 18:51:41,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-29 18:51:41,880 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2023-08-29 18:51:41,882 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 171 flow [2023-08-29 18:51:41,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:41,884 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:41,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:51:41,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:41,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash -865981180, now seen corresponding path program 1 times [2023-08-29 18:51:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533158863] [2023-08-29 18:51:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:41,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:41,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533158863] [2023-08-29 18:51:41,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533158863] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:41,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:41,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:41,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299741592] [2023-08-29 18:51:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:41,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:41,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:41,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:41,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:41,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 615 [2023-08-29 18:51:41,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:41,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:41,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 615 [2023-08-29 18:51:41,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:42,193 INFO L130 PetriNetUnfolder]: 874/1794 cut-off events. [2023-08-29 18:51:42,194 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 18:51:42,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 1794 events. 874/1794 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 11656 event pairs, 347 based on Foata normal form. 0/1387 useless extension candidates. Maximal degree in co-relation 3122. Up to 879 conditions per place. [2023-08-29 18:51:42,204 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 59 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2023-08-29 18:51:42,205 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 95 transitions, 338 flow [2023-08-29 18:51:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2023-08-29 18:51:42,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5235772357723577 [2023-08-29 18:51:42,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2023-08-29 18:51:42,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2023-08-29 18:51:42,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:42,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2023-08-29 18:51:42,211 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) [2023-08-29 18:51:42,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,215 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 171 flow. Second operand 3 states and 966 transitions. [2023-08-29 18:51:42,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 95 transitions, 338 flow [2023-08-29 18:51:42,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 95 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:42,218 INFO L231 Difference]: Finished difference. Result has 72 places, 76 transitions, 193 flow [2023-08-29 18:51:42,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=72, PETRI_TRANSITIONS=76} [2023-08-29 18:51:42,219 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -19 predicate places. [2023-08-29 18:51:42,219 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 76 transitions, 193 flow [2023-08-29 18:51:42,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:42,220 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:42,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:51:42,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:42,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1075692115, now seen corresponding path program 1 times [2023-08-29 18:51:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:42,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765727071] [2023-08-29 18:51:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:42,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:42,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765727071] [2023-08-29 18:51:42,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765727071] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:42,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:42,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:42,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710151517] [2023-08-29 18:51:42,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:42,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:42,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:42,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:42,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:42,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 615 [2023-08-29 18:51:42,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 76 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:42,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 615 [2023-08-29 18:51:42,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:42,476 INFO L130 PetriNetUnfolder]: 874/1756 cut-off events. [2023-08-29 18:51:42,476 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-29 18:51:42,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3307 conditions, 1756 events. 874/1756 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 11123 event pairs, 446 based on Foata normal form. 48/1439 useless extension candidates. Maximal degree in co-relation 3300. Up to 1110 conditions per place. [2023-08-29 18:51:42,484 INFO L137 encePairwiseOnDemand]: 609/615 looper letters, 51 selfloop transitions, 6 changer transitions 5/94 dead transitions. [2023-08-29 18:51:42,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 94 transitions, 354 flow [2023-08-29 18:51:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2023-08-29 18:51:42,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5208672086720867 [2023-08-29 18:51:42,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2023-08-29 18:51:42,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2023-08-29 18:51:42,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:42,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2023-08-29 18:51:42,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,495 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,495 INFO L175 Difference]: Start difference. First operand has 72 places, 76 transitions, 193 flow. Second operand 3 states and 961 transitions. [2023-08-29 18:51:42,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 94 transitions, 354 flow [2023-08-29 18:51:42,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 94 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:42,499 INFO L231 Difference]: Finished difference. Result has 71 places, 75 transitions, 197 flow [2023-08-29 18:51:42,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=71, PETRI_TRANSITIONS=75} [2023-08-29 18:51:42,499 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2023-08-29 18:51:42,500 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 197 flow [2023-08-29 18:51:42,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:42,501 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:42,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:51:42,501 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:42,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash 865672891, now seen corresponding path program 1 times [2023-08-29 18:51:42,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182251496] [2023-08-29 18:51:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:42,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:42,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182251496] [2023-08-29 18:51:42,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182251496] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:42,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:42,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:42,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695854880] [2023-08-29 18:51:42,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:42,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:42,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:42,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:42,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 615 [2023-08-29 18:51:42,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:42,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 615 [2023-08-29 18:51:42,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:42,777 INFO L130 PetriNetUnfolder]: 1261/2515 cut-off events. [2023-08-29 18:51:42,777 INFO L131 PetriNetUnfolder]: For 243/243 co-relation queries the response was YES. [2023-08-29 18:51:42,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4940 conditions, 2515 events. 1261/2515 cut-off events. For 243/243 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 16811 event pairs, 512 based on Foata normal form. 0/2070 useless extension candidates. Maximal degree in co-relation 4933. Up to 1296 conditions per place. [2023-08-29 18:51:42,791 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 68 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2023-08-29 18:51:42,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 104 transitions, 420 flow [2023-08-29 18:51:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-08-29 18:51:42,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5306233062330623 [2023-08-29 18:51:42,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-08-29 18:51:42,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-08-29 18:51:42,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:42,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-08-29 18:51:42,798 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) [2023-08-29 18:51:42,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,802 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 197 flow. Second operand 3 states and 979 transitions. [2023-08-29 18:51:42,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 104 transitions, 420 flow [2023-08-29 18:51:42,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 104 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:42,815 INFO L231 Difference]: Finished difference. Result has 73 places, 78 transitions, 219 flow [2023-08-29 18:51:42,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=73, PETRI_TRANSITIONS=78} [2023-08-29 18:51:42,816 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -18 predicate places. [2023-08-29 18:51:42,816 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 78 transitions, 219 flow [2023-08-29 18:51:42,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:42,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:42,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:51:42,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:42,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1403430701, now seen corresponding path program 1 times [2023-08-29 18:51:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:42,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186547221] [2023-08-29 18:51:42,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:42,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:42,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:42,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186547221] [2023-08-29 18:51:42,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186547221] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:42,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:42,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:42,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410298407] [2023-08-29 18:51:42,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:42,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:42,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:42,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 615 [2023-08-29 18:51:42,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 78 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:42,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:42,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 615 [2023-08-29 18:51:42,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:43,258 INFO L130 PetriNetUnfolder]: 2392/4204 cut-off events. [2023-08-29 18:51:43,259 INFO L131 PetriNetUnfolder]: For 843/843 co-relation queries the response was YES. [2023-08-29 18:51:43,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8722 conditions, 4204 events. 2392/4204 cut-off events. For 843/843 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 26593 event pairs, 664 based on Foata normal form. 0/3510 useless extension candidates. Maximal degree in co-relation 8714. Up to 2108 conditions per place. [2023-08-29 18:51:43,285 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 89 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2023-08-29 18:51:43,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 116 transitions, 519 flow [2023-08-29 18:51:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2023-08-29 18:51:43,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273712737127372 [2023-08-29 18:51:43,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions. [2023-08-29 18:51:43,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions. [2023-08-29 18:51:43,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:43,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions. [2023-08-29 18:51:43,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,298 INFO L175 Difference]: Start difference. First operand has 73 places, 78 transitions, 219 flow. Second operand 3 states and 973 transitions. [2023-08-29 18:51:43,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 116 transitions, 519 flow [2023-08-29 18:51:43,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:43,305 INFO L231 Difference]: Finished difference. Result has 70 places, 78 transitions, 233 flow [2023-08-29 18:51:43,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=70, PETRI_TRANSITIONS=78} [2023-08-29 18:51:43,306 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2023-08-29 18:51:43,306 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 78 transitions, 233 flow [2023-08-29 18:51:43,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:43,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:43,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:51:43,308 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:43,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:43,308 INFO L85 PathProgramCache]: Analyzing trace with hash -103721410, now seen corresponding path program 1 times [2023-08-29 18:51:43,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:43,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284287286] [2023-08-29 18:51:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:43,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:43,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:43,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284287286] [2023-08-29 18:51:43,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284287286] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:43,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:43,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828993075] [2023-08-29 18:51:43,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:43,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:43,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:43,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:43,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 615 [2023-08-29 18:51:43,379 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 78 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,379 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:43,379 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 615 [2023-08-29 18:51:43,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:43,862 INFO L130 PetriNetUnfolder]: 2863/5384 cut-off events. [2023-08-29 18:51:43,862 INFO L131 PetriNetUnfolder]: For 930/930 co-relation queries the response was YES. [2023-08-29 18:51:43,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11036 conditions, 5384 events. 2863/5384 cut-off events. For 930/930 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 37766 event pairs, 1197 based on Foata normal form. 0/4423 useless extension candidates. Maximal degree in co-relation 11028. Up to 2801 conditions per place. [2023-08-29 18:51:43,890 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 80 selfloop transitions, 3 changer transitions 0/114 dead transitions. [2023-08-29 18:51:43,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 114 transitions, 511 flow [2023-08-29 18:51:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2023-08-29 18:51:43,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317073170731708 [2023-08-29 18:51:43,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 981 transitions. [2023-08-29 18:51:43,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 981 transitions. [2023-08-29 18:51:43,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:43,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 981 transitions. [2023-08-29 18:51:43,896 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) [2023-08-29 18:51:43,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,900 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,900 INFO L175 Difference]: Start difference. First operand has 70 places, 78 transitions, 233 flow. Second operand 3 states and 981 transitions. [2023-08-29 18:51:43,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 114 transitions, 511 flow [2023-08-29 18:51:43,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 114 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:43,904 INFO L231 Difference]: Finished difference. Result has 74 places, 80 transitions, 255 flow [2023-08-29 18:51:43,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=74, PETRI_TRANSITIONS=80} [2023-08-29 18:51:43,905 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -17 predicate places. [2023-08-29 18:51:43,905 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 80 transitions, 255 flow [2023-08-29 18:51:43,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:43,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:43,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:51:43,906 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-29 18:51:43,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash -77146855, now seen corresponding path program 1 times [2023-08-29 18:51:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:43,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460536506] [2023-08-29 18:51:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:43,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:43,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:43,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460536506] [2023-08-29 18:51:43,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460536506] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:43,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:43,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:43,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174367255] [2023-08-29 18:51:43,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:43,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:43,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:43,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:43,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 615 [2023-08-29 18:51:43,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 80 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:43,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:43,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 615 [2023-08-29 18:51:43,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:44,567 INFO L130 PetriNetUnfolder]: 3831/6271 cut-off events. [2023-08-29 18:51:44,567 INFO L131 PetriNetUnfolder]: For 1686/1686 co-relation queries the response was YES. [2023-08-29 18:51:44,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14514 conditions, 6271 events. 3831/6271 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 37717 event pairs, 1095 based on Foata normal form. 0/5571 useless extension candidates. Maximal degree in co-relation 14504. Up to 3438 conditions per place. [2023-08-29 18:51:44,585 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2023-08-29 18:51:44,585 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 120 transitions, 582 flow [2023-08-29 18:51:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2023-08-29 18:51:44,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273712737127372 [2023-08-29 18:51:44,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions. [2023-08-29 18:51:44,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions. [2023-08-29 18:51:44,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:44,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions. [2023-08-29 18:51:44,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:44,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:44,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:44,599 INFO L175 Difference]: Start difference. First operand has 74 places, 80 transitions, 255 flow. Second operand 3 states and 973 transitions. [2023-08-29 18:51:44,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 120 transitions, 582 flow [2023-08-29 18:51:44,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 120 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:44,608 INFO L231 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2023-08-29 18:51:44,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2023-08-29 18:51:44,609 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2023-08-29 18:51:44,609 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2023-08-29 18:51:44,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:44,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2023-08-29 18:51:44,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2023-08-29 18:51:44,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2023-08-29 18:51:44,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2023-08-29 18:51:44,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2023-08-29 18:51:44,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2023-08-29 18:51:44,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2023-08-29 18:51:44,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2023-08-29 18:51:44,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2023-08-29 18:51:44,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2023-08-29 18:51:44,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2023-08-29 18:51:44,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2023-08-29 18:51:44,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2023-08-29 18:51:44,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2023-08-29 18:51:44,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2023-08-29 18:51:44,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2023-08-29 18:51:44,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2023-08-29 18:51:44,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2023-08-29 18:51:44,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2023-08-29 18:51:44,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2023-08-29 18:51:44,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2023-08-29 18:51:44,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2023-08-29 18:51:44,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:51:44,623 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:44,628 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:51:44,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:51:44,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:51:44 BasicIcfg [2023-08-29 18:51:44,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:51:44,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:51:44,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:51:44,632 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:51:44,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:33" (3/4) ... [2023-08-29 18:51:44,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:51:44,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:51:44,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:51:44,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-29 18:51:44,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:51:44,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:51:44,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:51:44,674 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:51:44,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:51:44,675 INFO L158 Benchmark]: Toolchain (without parser) took 11764.23ms. Allocated memory was 77.6MB in the beginning and 476.1MB in the end (delta: 398.5MB). Free memory was 55.4MB in the beginning and 363.1MB in the end (delta: -307.7MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,676 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:51:44,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.76ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 43.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.13ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,676 INFO L158 Benchmark]: Boogie Preprocessor took 42.94ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:51:44,677 INFO L158 Benchmark]: RCFGBuilder took 610.78ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 34.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,677 INFO L158 Benchmark]: TraceAbstraction took 10664.64ms. Allocated memory was 77.6MB in the beginning and 476.1MB in the end (delta: 398.5MB). Free memory was 33.5MB in the beginning and 367.3MB in the end (delta: -333.8MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,677 INFO L158 Benchmark]: Witness Printer took 43.51ms. Allocated memory is still 476.1MB. Free memory was 367.3MB in the beginning and 363.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:51:44,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.76ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 43.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.13ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.94ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.78ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 34.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10664.64ms. Allocated memory was 77.6MB in the beginning and 476.1MB in the end (delta: 398.5MB). Free memory was 33.5MB in the beginning and 367.3MB in the end (delta: -333.8MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. * Witness Printer took 43.51ms. Allocated memory is still 476.1MB. Free memory was 367.3MB in the beginning and 363.1MB 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: 6.4s, 287 PlacesBefore, 91 PlacesAfterwards, 300 TransitionsBefore, 98 TransitionsAfterwards, 21716 CoEnabledTransitionPairs, 8 FixpointIterations, 110 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 43 ConcurrentYvCompositions, 6 ChoiceCompositions, 295 TotalNumberOfCompositions, 76618 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26689, independent: 25605, independent conditional: 0, independent unconditional: 25605, dependent: 1084, dependent conditional: 0, dependent unconditional: 1084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12222, independent: 12096, independent conditional: 0, independent unconditional: 12096, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26689, independent: 13509, independent conditional: 0, independent unconditional: 13509, dependent: 958, dependent conditional: 0, dependent unconditional: 958, unknown: 12222, unknown conditional: 0, unknown unconditional: 12222] , Statistics on independence cache: Total cache size (in pairs): 856, Positive cache size: 773, Positive conditional cache size: 0, Positive unconditional cache size: 773, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 69]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 465 locations, 58 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: 10.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 857 IncrementalHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 57 mSDtfsCounter, 857 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred 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, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:51:44,709 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