./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/test-semi1.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/test-semi1.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 e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f --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 19:16:36,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:16:36,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:16:36,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:16:36,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:16:36,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:16:36,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:16:36,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:16:36,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:16:36,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:16:36,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:16:36,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:16:36,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:16:36,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:16:36,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:16:36,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:16:36,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:16:36,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:16:36,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:16:36,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:16:36,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:16:36,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:16:36,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:16:36,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:16:36,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:16:36,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:16:36,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:16:36,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:16:36,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:16:36,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:16:36,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:16:36,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:16:36,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:16:36,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:16:36,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:16:36,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:16:36,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:16:36,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:16:36,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:16:36,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:16:36,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:16:36,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:16:36,456 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:16:36,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:16:36,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:16:36,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:16:36,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:16:36,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:16:36,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:16:36,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:16:36,458 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:16:36,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:16:36,459 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:16:36,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:16:36,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:16:36,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:16:36,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:16:36,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:16:36,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:16:36,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:16:36,460 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:16:36,461 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:16:36,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:16:36,464 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:16:36,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:16:36,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:16:36,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:16:36,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:16:36,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:16:36,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:16:36,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:16:36,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:16:36,467 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:16:36,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:16:36,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:16:36,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:16:36,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:16:36,779 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:16:36,779 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:16:36,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-29 19:16:37,766 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:16:37,928 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:16:37,929 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-29 19:16:37,933 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23136f8f/cc9c8f847aa54ea3ae60b46ddbbdf662/FLAGe97e533d7 [2023-08-29 19:16:37,945 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23136f8f/cc9c8f847aa54ea3ae60b46ddbbdf662 [2023-08-29 19:16:37,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:16:37,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:16:37,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:16:37,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:16:37,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:16:37,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:16:37" (1/1) ... [2023-08-29 19:16:37,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f2546c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:37, skipping insertion in model container [2023-08-29 19:16:37,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:16:37" (1/1) ... [2023-08-29 19:16:37,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:16:37,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:16:38,064 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/test-semi1.wvr.c[1979,1992] [2023-08-29 19:16:38,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:16:38,071 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:16:38,084 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/test-semi1.wvr.c[1979,1992] [2023-08-29 19:16:38,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:16:38,090 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:16:38,091 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:16:38,095 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:16:38,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38 WrapperNode [2023-08-29 19:16:38,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:16:38,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:16:38,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:16:38,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:16:38,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,121 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2023-08-29 19:16:38,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:16:38,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:16:38,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:16:38,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:16:38,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:16:38,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:16:38,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:16:38,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:16:38,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (1/1) ... [2023-08-29 19:16:38,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:16:38,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:16:38,206 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 19:16:38,213 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 19:16:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:16:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:16:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:16:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:16:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:16:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:16:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:16:38,249 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 19:16:38,372 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:16:38,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:16:38,528 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:16:38,566 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:16:38,566 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 19:16:38,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:38 BoogieIcfgContainer [2023-08-29 19:16:38,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:16:38,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:16:38,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:16:38,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:16:38,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:16:37" (1/3) ... [2023-08-29 19:16:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2a86a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:16:38, skipping insertion in model container [2023-08-29 19:16:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:38" (2/3) ... [2023-08-29 19:16:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2a86a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:16:38, skipping insertion in model container [2023-08-29 19:16:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:38" (3/3) ... [2023-08-29 19:16:38,574 INFO L112 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2023-08-29 19:16:38,580 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:16:38,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:16:38,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-29 19:16:38,587 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:16:38,619 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 19:16:38,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 246 flow [2023-08-29 19:16:38,676 INFO L130 PetriNetUnfolder]: 3/113 cut-off events. [2023-08-29 19:16:38,679 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:16:38,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 3/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2023-08-29 19:16:38,684 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 115 transitions, 246 flow [2023-08-29 19:16:38,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 98 transitions, 208 flow [2023-08-29 19:16:38,709 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:16:38,729 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 98 transitions, 208 flow [2023-08-29 19:16:38,732 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 98 transitions, 208 flow [2023-08-29 19:16:38,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 208 flow [2023-08-29 19:16:38,753 INFO L130 PetriNetUnfolder]: 2/98 cut-off events. [2023-08-29 19:16:38,753 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:16:38,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 98 events. 2/98 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2023-08-29 19:16:38,754 INFO L119 LiptonReduction]: Number of co-enabled transitions 426 [2023-08-29 19:16:40,810 INFO L134 LiptonReduction]: Checked pairs total: 577 [2023-08-29 19:16:40,811 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-29 19:16:40,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:16:40,850 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;@719fb28b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:16:40,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-08-29 19:16:40,851 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:16:40,852 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:16:40,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:40,852 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:16:40,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-08-29 19:16:40,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash 440, now seen corresponding path program 1 times [2023-08-29 19:16:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13476066] [2023-08-29 19:16:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:40,924 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 19:16:40,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:40,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13476066] [2023-08-29 19:16:40,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13476066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:40,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:40,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:16:40,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503003237] [2023-08-29 19:16:40,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:40,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:16:40,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:40,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:16:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:16:40,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 219 [2023-08-29 19:16:40,951 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 60 flow. Second operand has 2 states, 2 states have (on average 100.5) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:40,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:40,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 219 [2023-08-29 19:16:40,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:40,983 INFO L130 PetriNetUnfolder]: 9/27 cut-off events. [2023-08-29 19:16:40,983 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 19:16:40,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 27 events. 9/27 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 9 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 40. Up to 28 conditions per place. [2023-08-29 19:16:40,984 INFO L137 encePairwiseOnDemand]: 205/219 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2023-08-29 19:16:40,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 10 transitions, 52 flow [2023-08-29 19:16:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:16:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:16:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 224 transitions. [2023-08-29 19:16:40,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5114155251141552 [2023-08-29 19:16:40,996 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 224 transitions. [2023-08-29 19:16:40,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 224 transitions. [2023-08-29 19:16:40,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:40,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 224 transitions. [2023-08-29 19:16:41,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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 19:16:41,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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 19:16:41,008 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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 19:16:41,009 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 60 flow. Second operand 2 states and 224 transitions. [2023-08-29 19:16:41,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 10 transitions, 52 flow [2023-08-29 19:16:41,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 10 transitions, 44 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:16:41,012 INFO L231 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2023-08-29 19:16:41,013 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=14, PETRI_TRANSITIONS=0} [2023-08-29 19:16:41,015 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, -17 predicate places. [2023-08-29 19:16:41,015 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2023-08-29 19:16:41,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.5) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:41,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2023-08-29 19:16:41,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2023-08-29 19:16:41,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2023-08-29 19:16:41,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2023-08-29 19:16:41,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2023-08-29 19:16:41,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2023-08-29 19:16:41,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2023-08-29 19:16:41,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2023-08-29 19:16:41,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2023-08-29 19:16:41,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2023-08-29 19:16:41,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2023-08-29 19:16:41,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2023-08-29 19:16:41,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2023-08-29 19:16:41,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2023-08-29 19:16:41,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 21 remaining) [2023-08-29 19:16:41,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 21 remaining) [2023-08-29 19:16:41,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2023-08-29 19:16:41,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2023-08-29 19:16:41,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2023-08-29 19:16:41,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2023-08-29 19:16:41,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2023-08-29 19:16:41,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:16:41,029 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 19:16:41,039 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:16:41,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:16:41,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:16:41 BasicIcfg [2023-08-29 19:16:41,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:16:41,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:16:41,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:16:41,048 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:16:41,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:38" (3/4) ... [2023-08-29 19:16:41,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:16:41,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:16:41,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:16:41,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-29 19:16:41,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:16:41,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:16:41,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:16:41,106 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:16:41,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:16:41,107 INFO L158 Benchmark]: Toolchain (without parser) took 3159.36ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 85.0MB in the end (delta: -28.8MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,107 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:16:41,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.00ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 44.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.00ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,108 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,108 INFO L158 Benchmark]: RCFGBuilder took 403.01ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 43.4MB in the end (delta: -2.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,109 INFO L158 Benchmark]: TraceAbstraction took 2476.59ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 35.8MB in the end (delta: 6.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,109 INFO L158 Benchmark]: Witness Printer took 59.19ms. Allocated memory is still 111.1MB. Free memory was 35.8MB in the beginning and 85.0MB in the end (delta: -49.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:41,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.00ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 44.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.00ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.01ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 43.4MB in the end (delta: -2.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2476.59ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 35.8MB in the end (delta: 6.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Witness Printer took 59.19ms. Allocated memory is still 111.1MB. Free memory was 35.8MB in the beginning and 85.0MB in the end (delta: -49.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 103 PlacesBefore, 31 PlacesAfterwards, 98 TransitionsBefore, 24 TransitionsAfterwards, 426 CoEnabledTransitionPairs, 8 FixpointIterations, 73 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 104 TotalNumberOfCompositions, 577 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 459, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 459, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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, 128 locations, 21 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: 2.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:16:41,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE