./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-atomic/szymanski-b.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski-b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 11:28:15,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 11:28:15,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 11:28:15,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 11:28:15,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 11:28:15,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 11:28:15,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 11:28:15,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 11:28:15,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 11:28:15,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 11:28:15,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 11:28:15,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 11:28:15,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 11:28:15,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 11:28:15,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 11:28:15,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 11:28:15,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 11:28:15,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 11:28:15,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 11:28:15,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 11:28:15,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 11:28:15,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 11:28:15,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 11:28:15,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 11:28:15,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 11:28:15,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 11:28:15,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 11:28:15,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 11:28:15,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 11:28:15,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 11:28:15,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 11:28:15,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 11:28:15,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 11:28:15,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 11:28:15,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 11:28:15,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 11:28:15,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 11:28:15,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 11:28:15,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 11:28:15,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 11:28:15,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 11:28:15,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 11:28:15,243 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 11:28:15,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 11:28:15,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 11:28:15,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 11:28:15,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 11:28:15,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 11:28:15,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 11:28:15,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 11:28:15,246 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 11:28:15,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 11:28:15,247 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 11:28:15,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 11:28:15,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 11:28:15,249 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 11:28:15,249 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 11:28:15,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 11:28:15,249 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 11:28:15,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 11:28:15,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 11:28:15,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 11:28:15,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 11:28:15,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:15,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 11:28:15,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 11:28:15,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 11:28:15,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 11:28:15,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 11:28:15,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 11:28:15,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 11:28:15,252 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 11:28:15,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 11:28:15,252 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 11:28:15,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 11:28:15,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 11:28:15,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 11:28:15,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 11:28:15,601 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 11:28:15,601 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 11:28:15,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski-b.i [2023-08-31 11:28:16,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 11:28:16,908 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 11:28:16,914 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i [2023-08-31 11:28:16,930 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2772dbc/2dbdb216aa874ba9898aff4b60defc78/FLAGab1abf107 [2023-08-31 11:28:16,942 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2772dbc/2dbdb216aa874ba9898aff4b60defc78 [2023-08-31 11:28:16,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 11:28:16,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 11:28:16,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:16,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 11:28:16,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 11:28:16,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:16" (1/1) ... [2023-08-31 11:28:16,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d45858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:16, skipping insertion in model container [2023-08-31 11:28:16,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:16" (1/1) ... [2023-08-31 11:28:16,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 11:28:17,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 11:28:17,330 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30088,30101] [2023-08-31 11:28:17,336 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30375,30388] [2023-08-31 11:28:17,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:17,355 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 11:28:17,395 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30088,30101] [2023-08-31 11:28:17,404 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30375,30388] [2023-08-31 11:28:17,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:17,459 INFO L208 MainTranslator]: Completed translation [2023-08-31 11:28:17,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17 WrapperNode [2023-08-31 11:28:17,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:17,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:17,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 11:28:17,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 11:28:17,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,516 INFO L138 Inliner]: procedures = 167, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-08-31 11:28:17,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:17,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 11:28:17,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 11:28:17,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 11:28:17,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 11:28:17,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 11:28:17,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 11:28:17,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 11:28:17,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (1/1) ... [2023-08-31 11:28:17,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:17,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 11:28:17,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 11:28:17,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 11:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 11:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-31 11:28:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-31 11:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-31 11:28:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 11:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 11:28:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 11:28:17,651 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 11:28:17,751 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 11:28:17,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 11:28:18,071 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 11:28:18,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 11:28:18,081 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-31 11:28:18,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:28:18 BoogieIcfgContainer [2023-08-31 11:28:18,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 11:28:18,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 11:28:18,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 11:28:18,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 11:28:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 11:28:16" (1/3) ... [2023-08-31 11:28:18,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83ce9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:28:18, skipping insertion in model container [2023-08-31 11:28:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:17" (2/3) ... [2023-08-31 11:28:18,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83ce9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:28:18, skipping insertion in model container [2023-08-31 11:28:18,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:28:18" (3/3) ... [2023-08-31 11:28:18,101 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski-b.i [2023-08-31 11:28:18,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 11:28:18,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 11:28:18,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-31 11:28:18,118 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 11:28:18,203 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 11:28:18,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 221 transitions, 458 flow [2023-08-31 11:28:18,346 INFO L130 PetriNetUnfolder]: 22/219 cut-off events. [2023-08-31 11:28:18,346 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 11:28:18,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 219 events. 22/219 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 504 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2023-08-31 11:28:18,355 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 221 transitions, 458 flow [2023-08-31 11:28:18,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 210 transitions, 429 flow [2023-08-31 11:28:18,377 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 11:28:18,390 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 210 transitions, 429 flow [2023-08-31 11:28:18,396 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 210 transitions, 429 flow [2023-08-31 11:28:18,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 210 transitions, 429 flow [2023-08-31 11:28:18,458 INFO L130 PetriNetUnfolder]: 22/210 cut-off events. [2023-08-31 11:28:18,459 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 11:28:18,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 210 events. 22/210 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 504 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2023-08-31 11:28:18,473 INFO L119 LiptonReduction]: Number of co-enabled transitions 19656 [2023-08-31 11:28:20,602 INFO L134 LiptonReduction]: Checked pairs total: 104755 [2023-08-31 11:28:20,602 INFO L136 LiptonReduction]: Total number of compositions: 93 [2023-08-31 11:28:20,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 11:28:20,623 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;@3e9a2354, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 11:28:20,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-31 11:28:20,626 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-31 11:28:20,626 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 11:28:20,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:28:20,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 11:28:20,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 11:28:20,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:28:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 791112998, now seen corresponding path program 1 times [2023-08-31 11:28:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:28:20,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887124721] [2023-08-31 11:28:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:28:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:28:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:28:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:28:20,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:28:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887124721] [2023-08-31 11:28:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887124721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:28:20,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:28:20,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:28:20,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458329366] [2023-08-31 11:28:20,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:28:20,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:28:20,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:28:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:28:20,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:28:20,941 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 314 [2023-08-31 11:28:20,944 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 135 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:20,944 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:28:20,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 314 [2023-08-31 11:28:20,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:28:21,409 INFO L130 PetriNetUnfolder]: 1542/3751 cut-off events. [2023-08-31 11:28:21,409 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-31 11:28:21,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6066 conditions, 3751 events. 1542/3751 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 26532 event pairs, 1092 based on Foata normal form. 226/3313 useless extension candidates. Maximal degree in co-relation 5854. Up to 2156 conditions per place. [2023-08-31 11:28:21,431 INFO L137 encePairwiseOnDemand]: 293/314 looper letters, 63 selfloop transitions, 8 changer transitions 0/148 dead transitions. [2023-08-31 11:28:21,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 148 transitions, 450 flow [2023-08-31 11:28:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:28:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:28:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2023-08-31 11:28:21,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7006369426751592 [2023-08-31 11:28:21,445 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2023-08-31 11:28:21,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2023-08-31 11:28:21,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:28:21,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2023-08-31 11:28:21,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:21,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:21,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:21,460 INFO L175 Difference]: Start difference. First operand has 120 places, 135 transitions, 279 flow. Second operand 3 states and 660 transitions. [2023-08-31 11:28:21,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 148 transitions, 450 flow [2023-08-31 11:28:21,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 148 transitions, 444 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 11:28:21,469 INFO L231 Difference]: Finished difference. Result has 118 places, 130 transitions, 304 flow [2023-08-31 11:28:21,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=118, PETRI_TRANSITIONS=130} [2023-08-31 11:28:21,473 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -2 predicate places. [2023-08-31 11:28:21,474 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 130 transitions, 304 flow [2023-08-31 11:28:21,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:21,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:28:21,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:28:21,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 11:28:21,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 11:28:21,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:28:21,476 INFO L85 PathProgramCache]: Analyzing trace with hash 50531409, now seen corresponding path program 1 times [2023-08-31 11:28:21,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:28:21,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485370720] [2023-08-31 11:28:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:28:21,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:28:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:28:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:28:21,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:28:21,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485370720] [2023-08-31 11:28:21,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485370720] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:28:21,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:28:21,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:28:21,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444144086] [2023-08-31 11:28:21,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:28:21,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:28:21,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:28:21,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:28:21,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:28:21,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 314 [2023-08-31 11:28:21,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 130 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:21,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:28:21,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 314 [2023-08-31 11:28:21,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:28:22,305 INFO L130 PetriNetUnfolder]: 3584/8693 cut-off events. [2023-08-31 11:28:22,305 INFO L131 PetriNetUnfolder]: For 386/456 co-relation queries the response was YES. [2023-08-31 11:28:22,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14672 conditions, 8693 events. 3584/8693 cut-off events. For 386/456 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 72175 event pairs, 837 based on Foata normal form. 0/7206 useless extension candidates. Maximal degree in co-relation 13191. Up to 2647 conditions per place. [2023-08-31 11:28:22,362 INFO L137 encePairwiseOnDemand]: 291/314 looper letters, 88 selfloop transitions, 17 changer transitions 0/176 dead transitions. [2023-08-31 11:28:22,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 176 transitions, 611 flow [2023-08-31 11:28:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:28:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:28:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2023-08-31 11:28:22,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6953290870488322 [2023-08-31 11:28:22,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2023-08-31 11:28:22,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2023-08-31 11:28:22,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:28:22,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2023-08-31 11:28:22,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:22,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:22,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:22,371 INFO L175 Difference]: Start difference. First operand has 118 places, 130 transitions, 304 flow. Second operand 3 states and 655 transitions. [2023-08-31 11:28:22,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 176 transitions, 611 flow [2023-08-31 11:28:22,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 176 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 11:28:22,377 INFO L231 Difference]: Finished difference. Result has 121 places, 147 transitions, 444 flow [2023-08-31 11:28:22,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=121, PETRI_TRANSITIONS=147} [2023-08-31 11:28:22,379 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2023-08-31 11:28:22,379 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 147 transitions, 444 flow [2023-08-31 11:28:22,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:22,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:28:22,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:28:22,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 11:28:22,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 11:28:22,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:28:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash 76278587, now seen corresponding path program 1 times [2023-08-31 11:28:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:28:22,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139465876] [2023-08-31 11:28:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:28:22,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:28:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:28:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:28:22,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:28:22,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139465876] [2023-08-31 11:28:22,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139465876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:28:22,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:28:22,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:28:22,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105262907] [2023-08-31 11:28:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:28:22,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:28:22,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:28:22,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:28:22,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:28:22,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 314 [2023-08-31 11:28:22,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 147 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:22,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:28:22,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 314 [2023-08-31 11:28:22,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:28:23,210 INFO L130 PetriNetUnfolder]: 3004/7567 cut-off events. [2023-08-31 11:28:23,210 INFO L131 PetriNetUnfolder]: For 1831/1947 co-relation queries the response was YES. [2023-08-31 11:28:23,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14322 conditions, 7567 events. 3004/7567 cut-off events. For 1831/1947 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 62304 event pairs, 1613 based on Foata normal form. 12/6207 useless extension candidates. Maximal degree in co-relation 12882. Up to 4057 conditions per place. [2023-08-31 11:28:23,268 INFO L137 encePairwiseOnDemand]: 305/314 looper letters, 75 selfloop transitions, 15 changer transitions 0/178 dead transitions. [2023-08-31 11:28:23,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 178 transitions, 727 flow [2023-08-31 11:28:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:28:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:28:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2023-08-31 11:28:23,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6815286624203821 [2023-08-31 11:28:23,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2023-08-31 11:28:23,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2023-08-31 11:28:23,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:28:23,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2023-08-31 11:28:23,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:23,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:23,276 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:23,276 INFO L175 Difference]: Start difference. First operand has 121 places, 147 transitions, 444 flow. Second operand 3 states and 642 transitions. [2023-08-31 11:28:23,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 178 transitions, 727 flow [2023-08-31 11:28:23,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 178 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 11:28:23,289 INFO L231 Difference]: Finished difference. Result has 122 places, 160 transitions, 533 flow [2023-08-31 11:28:23,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=122, PETRI_TRANSITIONS=160} [2023-08-31 11:28:23,290 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-08-31 11:28:23,291 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 160 transitions, 533 flow [2023-08-31 11:28:23,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:23,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:28:23,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:28:23,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 11:28:23,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 11:28:23,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:28:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 289515522, now seen corresponding path program 1 times [2023-08-31 11:28:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:28:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132292904] [2023-08-31 11:28:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:28:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:28:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:28:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:28:23,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:28:23,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132292904] [2023-08-31 11:28:23,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132292904] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:28:23,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:28:23,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:28:23,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329289047] [2023-08-31 11:28:23,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:28:23,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:28:23,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:28:23,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:28:23,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:28:23,386 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 314 [2023-08-31 11:28:23,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 160 transitions, 533 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:23,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:28:23,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 314 [2023-08-31 11:28:23,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:28:24,626 INFO L130 PetriNetUnfolder]: 6738/15159 cut-off events. [2023-08-31 11:28:24,627 INFO L131 PetriNetUnfolder]: For 3692/3898 co-relation queries the response was YES. [2023-08-31 11:28:24,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30265 conditions, 15159 events. 6738/15159 cut-off events. For 3692/3898 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 131622 event pairs, 1600 based on Foata normal form. 74/13157 useless extension candidates. Maximal degree in co-relation 27412. Up to 5313 conditions per place. [2023-08-31 11:28:24,721 INFO L137 encePairwiseOnDemand]: 291/314 looper letters, 109 selfloop transitions, 23 changer transitions 0/217 dead transitions. [2023-08-31 11:28:24,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 217 transitions, 972 flow [2023-08-31 11:28:24,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:28:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:28:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-08-31 11:28:24,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6942675159235668 [2023-08-31 11:28:24,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-08-31 11:28:24,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-08-31 11:28:24,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:28:24,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-08-31 11:28:24,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:24,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:24,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:24,734 INFO L175 Difference]: Start difference. First operand has 122 places, 160 transitions, 533 flow. Second operand 3 states and 654 transitions. [2023-08-31 11:28:24,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 217 transitions, 972 flow [2023-08-31 11:28:24,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 217 transitions, 957 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 11:28:24,744 INFO L231 Difference]: Finished difference. Result has 125 places, 183 transitions, 740 flow [2023-08-31 11:28:24,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=125, PETRI_TRANSITIONS=183} [2023-08-31 11:28:24,745 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2023-08-31 11:28:24,746 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 183 transitions, 740 flow [2023-08-31 11:28:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:28:24,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:28:24,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:28:24,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 11:28:24,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 11:28:24,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:28:24,748 INFO L85 PathProgramCache]: Analyzing trace with hash 794075912, now seen corresponding path program 1 times [2023-08-31 11:28:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:28:24,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139070098] [2023-08-31 11:28:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:28:24,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:28:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 11:28:24,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-31 11:28:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 11:28:24,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-31 11:28:24,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-31 11:28:24,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-08-31 11:28:24,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-08-31 11:28:24,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-08-31 11:28:24,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-08-31 11:28:24,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-08-31 11:28:24,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-08-31 11:28:24,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-08-31 11:28:24,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-08-31 11:28:24,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-08-31 11:28:24,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-08-31 11:28:24,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-08-31 11:28:24,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-08-31 11:28:24,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-08-31 11:28:24,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-08-31 11:28:24,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-08-31 11:28:24,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-08-31 11:28:24,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-08-31 11:28:24,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-08-31 11:28:24,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-08-31 11:28:24,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-08-31 11:28:24,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-08-31 11:28:24,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-08-31 11:28:24,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-08-31 11:28:24,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-08-31 11:28:24,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 56 remaining) [2023-08-31 11:28:24,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 56 remaining) [2023-08-31 11:28:24,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2023-08-31 11:28:24,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2023-08-31 11:28:24,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2023-08-31 11:28:24,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2023-08-31 11:28:24,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2023-08-31 11:28:24,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-08-31 11:28:24,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-08-31 11:28:24,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-08-31 11:28:24,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-08-31 11:28:24,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-08-31 11:28:24,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-08-31 11:28:24,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-08-31 11:28:24,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-08-31 11:28:24,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-08-31 11:28:24,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-08-31 11:28:24,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-08-31 11:28:24,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-08-31 11:28:24,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-08-31 11:28:24,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-08-31 11:28:24,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-08-31 11:28:24,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 11:28:24,840 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-31 11:28:24,848 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 11:28:24,848 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 11:28:24,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 11:28:24 BasicIcfg [2023-08-31 11:28:24,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 11:28:24,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 11:28:24,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 11:28:24,885 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 11:28:24,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:28:18" (3/4) ... [2023-08-31 11:28:24,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-31 11:28:24,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 11:28:24,888 INFO L158 Benchmark]: Toolchain (without parser) took 7942.72ms. Allocated memory was 79.7MB in the beginning and 478.2MB in the end (delta: 398.5MB). Free memory was 58.2MB in the beginning and 187.0MB in the end (delta: -128.7MB). Peak memory consumption was 268.6MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,888 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 11:28:24,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.50ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.98ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,889 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 79.7MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,889 INFO L158 Benchmark]: RCFGBuilder took 509.12ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 33.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,890 INFO L158 Benchmark]: TraceAbstraction took 6788.83ms. Allocated memory was 79.7MB in the beginning and 478.2MB in the end (delta: 398.5MB). Free memory was 56.9MB in the beginning and 187.0MB in the end (delta: -130.0MB). Peak memory consumption was 267.2MB. Max. memory is 16.1GB. [2023-08-31 11:28:24,890 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 478.2MB. Free memory is still 187.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 11:28:24,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.50ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.98ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 79.7MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.12ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 33.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6788.83ms. Allocated memory was 79.7MB in the beginning and 478.2MB in the end (delta: 398.5MB). Free memory was 56.9MB in the beginning and 187.0MB in the end (delta: -130.0MB). Peak memory consumption was 267.2MB. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 478.2MB. Free memory is still 187.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 195 PlacesBefore, 120 PlacesAfterwards, 210 TransitionsBefore, 135 TransitionsAfterwards, 19656 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 0 ChoiceCompositions, 93 TotalNumberOfCompositions, 104755 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27471, independent: 26169, independent conditional: 0, independent unconditional: 26169, dependent: 1302, dependent conditional: 0, dependent unconditional: 1302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8792, independent: 8572, independent conditional: 0, independent unconditional: 8572, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27471, independent: 17597, independent conditional: 0, independent unconditional: 17597, dependent: 1082, dependent conditional: 0, dependent unconditional: 1082, unknown: 8792, unknown conditional: 0, unknown unconditional: 8792] , Statistics on independence cache: Total cache size (in pairs): 2126, Positive cache size: 1975, Positive conditional cache size: 0, Positive unconditional cache size: 1975, Negative cache size: 151, Negative conditional cache size: 0, Negative unconditional cache size: 151, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 688]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; [L685] 0 int x; [L719] 0 pthread_t t1, t2; [L720] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={3:0}, t2={5:0}, x=0] [L687] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L721] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1 = 1=49, flag1=1, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={3:0}, t2={5:0}, x=0] [L687] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L703] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2 = 1=50, flag2=1, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2 = 1=50, flag2=1, x=0] Now there is a data race on ~flag2~0 between C: flag2 = 1 [703] and C: flag2 >= 3 [688] - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 350 locations, 56 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: 6.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 610 IncrementalHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 79 mSDtfsCounter, 610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=740occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-31 11:28:24,930 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE