./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/parallel-simple-equiv.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 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:37:15,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:37:15,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:37:15,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:37:15,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:37:15,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:37:15,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:37:15,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:37:15,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:37:15,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:37:15,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:37:15,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:37:15,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:37:15,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:37:15,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:37:15,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:37:15,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:37:15,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:37:15,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:37:15,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:37:15,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:37:15,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:37:15,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:37:15,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:37:15,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:37:15,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:37:15,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:37:15,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:37:15,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:37:15,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:37:15,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:37:15,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:37:15,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:37:15,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:37:15,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:37:15,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:37:15,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:37:15,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:37:15,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:37:15,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:37:15,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:37:15,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:37:15,289 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:37:15,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:37:15,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:37:15,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:37:15,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:37:15,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:37:15,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:37:15,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:37:15,292 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:37:15,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:37:15,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:37:15,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:37:15,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:37:15,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:37:15,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:37:15,296 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:37:15,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:37:15,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:37:15,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:37:15,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:37:15,575 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:37:15,575 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:37:15,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 03:37:16,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:37:16,798 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:37:16,799 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 03:37:16,803 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ed8011f/7930d68a60534b7dbcc83e917c4651d6/FLAG57971a83f [2023-08-29 03:37:16,813 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ed8011f/7930d68a60534b7dbcc83e917c4651d6 [2023-08-29 03:37:16,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:37:16,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:37:16,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:37:16,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:37:16,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:37:16,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:37:16" (1/1) ... [2023-08-29 03:37:16,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4bdf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:16, skipping insertion in model container [2023-08-29 03:37:16,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:37:16" (1/1) ... [2023-08-29 03:37:16,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:37:16,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:37:17,008 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/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 03:37:17,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:37:17,018 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:37:17,045 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/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 03:37:17,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:37:17,052 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:37:17,053 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:37:17,057 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:37:17,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17 WrapperNode [2023-08-29 03:37:17,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:37:17,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:37:17,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:37:17,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:37:17,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,098 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2023-08-29 03:37:17,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:37:17,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:37:17,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:37:17,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:37:17,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:37:17,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:37:17,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:37:17,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:37:17,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (1/1) ... [2023-08-29 03:37:17,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:37:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:37:17,170 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 03:37:17,190 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 03:37:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:37:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:37:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:37:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:37:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:37:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:37:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:37:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:37:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:37:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:37:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:37:17,203 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 03:37:17,287 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:37:17,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:37:17,577 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:37:17,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:37:17,631 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 03:37:17,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:37:17 BoogieIcfgContainer [2023-08-29 03:37:17,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:37:17,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:37:17,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:37:17,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:37:17,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:37:16" (1/3) ... [2023-08-29 03:37:17,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af21aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:37:17, skipping insertion in model container [2023-08-29 03:37:17,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:37:17" (2/3) ... [2023-08-29 03:37:17,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af21aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:37:17, skipping insertion in model container [2023-08-29 03:37:17,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:37:17" (3/3) ... [2023-08-29 03:37:17,651 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-08-29 03:37:17,657 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:37:17,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:37:17,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 03:37:17,665 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:37:17,743 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:37:17,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 169 transitions, 362 flow [2023-08-29 03:37:17,862 INFO L130 PetriNetUnfolder]: 2/166 cut-off events. [2023-08-29 03:37:17,863 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:37:17,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 166 events. 2/166 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-08-29 03:37:17,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 169 transitions, 362 flow [2023-08-29 03:37:17,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 149 transitions, 316 flow [2023-08-29 03:37:17,885 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:37:17,891 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 149 transitions, 316 flow [2023-08-29 03:37:17,893 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 149 transitions, 316 flow [2023-08-29 03:37:17,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 149 transitions, 316 flow [2023-08-29 03:37:17,918 INFO L130 PetriNetUnfolder]: 1/149 cut-off events. [2023-08-29 03:37:17,918 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:37:17,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 149 events. 1/149 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2023-08-29 03:37:17,921 INFO L119 LiptonReduction]: Number of co-enabled transitions 3312 [2023-08-29 03:37:20,719 INFO L134 LiptonReduction]: Checked pairs total: 3909 [2023-08-29 03:37:20,720 INFO L136 LiptonReduction]: Total number of compositions: 164 [2023-08-29 03:37:20,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:37:20,746 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;@56c5b460, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:37:20,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-08-29 03:37:20,762 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:37:20,762 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:37:20,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:37:20,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:37:20,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-29 03:37:20,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:37:20,768 INFO L85 PathProgramCache]: Analyzing trace with hash 619, now seen corresponding path program 1 times [2023-08-29 03:37:20,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:37:20,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57504488] [2023-08-29 03:37:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:37:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:37:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:37:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:37:20,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:37:20,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57504488] [2023-08-29 03:37:20,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57504488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:37:20,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:37:20,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:37:20,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143164587] [2023-08-29 03:37:20,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:37:20,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:37:20,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:37:20,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:37:20,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:37:20,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 333 [2023-08-29 03:37:20,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 92 flow. Second operand has 2 states, 2 states have (on average 154.5) internal successors, (309), 2 states have internal predecessors, (309), 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 03:37:20,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:37:20,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 333 [2023-08-29 03:37:20,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:37:20,923 INFO L130 PetriNetUnfolder]: 37/79 cut-off events. [2023-08-29 03:37:20,923 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 03:37:20,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 79 events. 37/79 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 151 event pairs, 37 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 120. Up to 80 conditions per place. [2023-08-29 03:37:20,925 INFO L137 encePairwiseOnDemand]: 311/333 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-08-29 03:37:20,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 15 transitions, 78 flow [2023-08-29 03:37:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:37:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:37:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 345 transitions. [2023-08-29 03:37:20,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5180180180180181 [2023-08-29 03:37:20,943 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 345 transitions. [2023-08-29 03:37:20,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 345 transitions. [2023-08-29 03:37:20,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:37:20,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 345 transitions. [2023-08-29 03:37:20,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 172.5) internal successors, (345), 2 states have internal predecessors, (345), 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 03:37:20,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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 03:37:20,956 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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 03:37:20,957 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 92 flow. Second operand 2 states and 345 transitions. [2023-08-29 03:37:20,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 15 transitions, 78 flow [2023-08-29 03:37:20,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 15 transitions, 66 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:37:20,962 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2023-08-29 03:37:20,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2023-08-29 03:37:20,971 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -27 predicate places. [2023-08-29 03:37:20,972 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2023-08-29 03:37:20,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 154.5) internal successors, (309), 2 states have internal predecessors, (309), 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 03:37:20,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-08-29 03:37:20,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-08-29 03:37:20,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-08-29 03:37:20,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-08-29 03:37:20,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-08-29 03:37:20,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-08-29 03:37:20,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-08-29 03:37:20,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-08-29 03:37:20,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-08-29 03:37:20,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-08-29 03:37:20,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-08-29 03:37:20,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-08-29 03:37:20,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-08-29 03:37:20,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-08-29 03:37:20,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-08-29 03:37:20,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-08-29 03:37:20,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-08-29 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-08-29 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-08-29 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-08-29 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-08-29 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-08-29 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-08-29 03:37:20,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-08-29 03:37:20,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-08-29 03:37:20,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-08-29 03:37:20,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-08-29 03:37:20,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:37:20,990 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 03:37:20,995 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:37:20,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:37:20,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:37:20 BasicIcfg [2023-08-29 03:37:20,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:37:20,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:37:20,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:37:20,999 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:37:20,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:37:17" (3/4) ... [2023-08-29 03:37:21,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:37:21,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:37:21,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:37:21,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:37:21,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-29 03:37:21,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:37:21,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:37:21,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:37:21,038 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:37:21,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:37:21,039 INFO L158 Benchmark]: Toolchain (without parser) took 4222.79ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 63.7MB in the beginning and 75.9MB in the end (delta: -12.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,039 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:37:21,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.06ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 52.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,040 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:37:21,040 INFO L158 Benchmark]: RCFGBuilder took 502.28ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 55.0MB in the end (delta: -6.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,040 INFO L158 Benchmark]: TraceAbstraction took 3352.81ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 54.1MB in the beginning and 79.1MB in the end (delta: -25.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,040 INFO L158 Benchmark]: Witness Printer took 39.45ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:37:21,042 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 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.06ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 52.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.28ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 55.0MB in the end (delta: -6.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3352.81ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 54.1MB in the beginning and 79.1MB in the end (delta: -25.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 39.45ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 158 PlacesBefore, 47 PlacesAfterwards, 149 TransitionsBefore, 37 TransitionsAfterwards, 3312 CoEnabledTransitionPairs, 8 FixpointIterations, 72 TrivialSequentialCompositions, 90 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 164 TotalNumberOfCompositions, 3909 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3478, independent: 3461, independent conditional: 0, independent unconditional: 3461, 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: 1724, independent: 1719, independent conditional: 0, independent unconditional: 1719, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3478, independent: 1742, independent conditional: 0, independent unconditional: 1742, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 1724, unknown conditional: 0, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 222 locations, 37 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: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, 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, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 15 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=92occurred 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:37:21,065 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