./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:49:15,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:49:15,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:49:15,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:49:15,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:49:15,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:49:15,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:49:15,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:49:15,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:49:15,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:49:15,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:49:15,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:49:15,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:49:15,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:49:15,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:49:15,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:49:15,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:49:15,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:49:15,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:49:15,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:49:15,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:49:15,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:49:15,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:49:15,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:49:15,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:49:15,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:49:15,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:49:15,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:49:15,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:49:15,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:49:15,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:49:15,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:49:15,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:49:15,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:49:15,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:49:15,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:49:15,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:49:15,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:49:15,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:49:15,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:49:15,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:49:15,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:49:15,252 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:49:15,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:49:15,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:49:15,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:49:15,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:49:15,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:49:15,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:49:15,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:49:15,258 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:49:15,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:49:15,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:49:15,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:49:15,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:49:15,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:49:15,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:49:15,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:15,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:49:15,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:49:15,262 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:49:15,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:49:15,263 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:49:15,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:49:15,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:49:15,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:49:15,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:49:15,528 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:49:15,529 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:49:15,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-08-31 21:49:16,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:49:16,578 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:49:16,578 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-08-31 21:49:16,583 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74413b69b/56f01f48a56a4f3094b77ebecfbc4898/FLAG84ba0f01b [2023-08-31 21:49:16,593 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74413b69b/56f01f48a56a4f3094b77ebecfbc4898 [2023-08-31 21:49:16,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:49:16,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:49:16,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:16,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:49:16,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:49:16,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f36e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16, skipping insertion in model container [2023-08-31 21:49:16,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:49:16,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:49:16,751 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/popl20-more-array-sum-alt.wvr.c[2761,2774] [2023-08-31 21:49:16,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:16,774 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:49:16,815 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/popl20-more-array-sum-alt.wvr.c[2761,2774] [2023-08-31 21:49:16,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:16,830 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:16,831 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:16,835 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:49:16,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16 WrapperNode [2023-08-31 21:49:16,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:16,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:16,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:49:16,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:49:16,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,897 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 300 [2023-08-31 21:49:16,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:16,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:49:16,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:49:16,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:49:16,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:49:16,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:49:16,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:49:16,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:49:16,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (1/1) ... [2023-08-31 21:49:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:16,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:49:16,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:49:16,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:49:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:49:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:49:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:49:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:49:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:49:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:49:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:49:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:49:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:49:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:49:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:49:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:49:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:49:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:49:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:49:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:49:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:49:17,014 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:49:17,128 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:49:17,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:49:17,451 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:49:17,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:49:17,621 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:49:17,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:17 BoogieIcfgContainer [2023-08-31 21:49:17,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:49:17,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:49:17,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:49:17,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:49:17,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:49:16" (1/3) ... [2023-08-31 21:49:17,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26618ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:17, skipping insertion in model container [2023-08-31 21:49:17,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:16" (2/3) ... [2023-08-31 21:49:17,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26618ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:17, skipping insertion in model container [2023-08-31 21:49:17,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:17" (3/3) ... [2023-08-31 21:49:17,628 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-08-31 21:49:17,636 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:49:17,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:49:17,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-08-31 21:49:17,650 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:49:17,745 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:49:17,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 233 transitions, 490 flow [2023-08-31 21:49:17,850 INFO L130 PetriNetUnfolder]: 13/230 cut-off events. [2023-08-31 21:49:17,851 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:17,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 230 events. 13/230 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 251 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2023-08-31 21:49:17,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 233 transitions, 490 flow [2023-08-31 21:49:17,862 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 211 places, 213 transitions, 444 flow [2023-08-31 21:49:17,865 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:49:17,875 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 213 transitions, 444 flow [2023-08-31 21:49:17,877 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 213 transitions, 444 flow [2023-08-31 21:49:17,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 213 transitions, 444 flow [2023-08-31 21:49:17,919 INFO L130 PetriNetUnfolder]: 12/213 cut-off events. [2023-08-31 21:49:17,920 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:17,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 213 events. 12/213 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 250 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2023-08-31 21:49:17,924 INFO L119 LiptonReduction]: Number of co-enabled transitions 4914 [2023-08-31 21:49:23,107 INFO L134 LiptonReduction]: Checked pairs total: 27700 [2023-08-31 21:49:23,107 INFO L136 LiptonReduction]: Total number of compositions: 197 [2023-08-31 21:49:23,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:49:23,120 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;@1047377c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:49:23,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-08-31 21:49:23,121 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:49:23,121 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:49:23,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:23,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:49:23,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:23,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1060, now seen corresponding path program 1 times [2023-08-31 21:49:23,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:23,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552766071] [2023-08-31 21:49:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:23,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:23,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:23,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552766071] [2023-08-31 21:49:23,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552766071] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:23,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:23,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:49:23,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533687991] [2023-08-31 21:49:23,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:23,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:49:23,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:23,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:49:23,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:49:23,268 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 430 [2023-08-31 21:49:23,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:23,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 430 [2023-08-31 21:49:23,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:23,442 INFO L130 PetriNetUnfolder]: 534/1160 cut-off events. [2023-08-31 21:49:23,443 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2023-08-31 21:49:23,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1965 conditions, 1160 events. 534/1160 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7223 event pairs, 317 based on Foata normal form. 214/1172 useless extension candidates. Maximal degree in co-relation 1507. Up to 738 conditions per place. [2023-08-31 21:49:23,467 INFO L137 encePairwiseOnDemand]: 405/430 looper letters, 23 selfloop transitions, 0 changer transitions 1/51 dead transitions. [2023-08-31 21:49:23,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 51 transitions, 168 flow [2023-08-31 21:49:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:49:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:49:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 449 transitions. [2023-08-31 21:49:23,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.522093023255814 [2023-08-31 21:49:23,495 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 449 transitions. [2023-08-31 21:49:23,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 449 transitions. [2023-08-31 21:49:23,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:23,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 449 transitions. [2023-08-31 21:49:23,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 224.5) internal successors, (449), 2 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,507 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,509 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 170 flow. Second operand 2 states and 449 transitions. [2023-08-31 21:49:23,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 51 transitions, 168 flow [2023-08-31 21:49:23,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 156 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:49:23,516 INFO L231 Difference]: Finished difference. Result has 52 places, 50 transitions, 105 flow [2023-08-31 21:49:23,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=52, PETRI_TRANSITIONS=50} [2023-08-31 21:49:23,522 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -27 predicate places. [2023-08-31 21:49:23,524 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 105 flow [2023-08-31 21:49:23,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:23,525 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:49:23,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:49:23,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:23,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:23,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1584143690, now seen corresponding path program 1 times [2023-08-31 21:49:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:23,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735116957] [2023-08-31 21:49:23,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:23,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:23,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735116957] [2023-08-31 21:49:23,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735116957] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:23,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:23,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13219426] [2023-08-31 21:49:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:23,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:23,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 430 [2023-08-31 21:49:23,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:23,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 430 [2023-08-31 21:49:23,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:23,798 INFO L130 PetriNetUnfolder]: 1068/1948 cut-off events. [2023-08-31 21:49:23,799 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-31 21:49:23,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3481 conditions, 1948 events. 1068/1948 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 11117 event pairs, 771 based on Foata normal form. 0/1542 useless extension candidates. Maximal degree in co-relation 3478. Up to 1499 conditions per place. [2023-08-31 21:49:23,806 INFO L137 encePairwiseOnDemand]: 427/430 looper letters, 26 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2023-08-31 21:49:23,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 155 flow [2023-08-31 21:49:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2023-08-31 21:49:23,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4573643410852713 [2023-08-31 21:49:23,808 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions. [2023-08-31 21:49:23,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions. [2023-08-31 21:49:23,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:23,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions. [2023-08-31 21:49:23,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 430.0) internal successors, (1720), 4 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 430.0) internal successors, (1720), 4 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,812 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 105 flow. Second operand 3 states and 590 transitions. [2023-08-31 21:49:23,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 155 flow [2023-08-31 21:49:23,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 155 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:49:23,813 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 103 flow [2023-08-31 21:49:23,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2023-08-31 21:49:23,814 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -28 predicate places. [2023-08-31 21:49:23,814 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 103 flow [2023-08-31 21:49:23,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:23,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:23,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:49:23,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:23,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2137522576, now seen corresponding path program 1 times [2023-08-31 21:49:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:23,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253155520] [2023-08-31 21:49:23,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:23,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:23,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:23,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253155520] [2023-08-31 21:49:23,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253155520] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:23,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018415131] [2023-08-31 21:49:23,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:23,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:23,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:23,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:23,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:23,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 430 [2023-08-31 21:49:23,886 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:23,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 430 [2023-08-31 21:49:23,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:23,987 INFO L130 PetriNetUnfolder]: 725/1284 cut-off events. [2023-08-31 21:49:23,987 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2023-08-31 21:49:23,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2326 conditions, 1284 events. 725/1284 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6798 event pairs, 483 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 2322. Up to 1013 conditions per place. [2023-08-31 21:49:23,992 INFO L137 encePairwiseOnDemand]: 427/430 looper letters, 24 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-08-31 21:49:23,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 46 transitions, 149 flow [2023-08-31 21:49:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2023-08-31 21:49:23,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4558139534883721 [2023-08-31 21:49:23,994 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2023-08-31 21:49:23,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2023-08-31 21:49:23,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:23,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2023-08-31 21:49:23,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 430.0) internal successors, (1720), 4 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,998 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 430.0) internal successors, (1720), 4 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:23,998 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 103 flow. Second operand 3 states and 588 transitions. [2023-08-31 21:49:23,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 46 transitions, 149 flow [2023-08-31 21:49:23,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 46 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:24,000 INFO L231 Difference]: Finished difference. Result has 50 places, 46 transitions, 100 flow [2023-08-31 21:49:24,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2023-08-31 21:49:24,001 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -29 predicate places. [2023-08-31 21:49:24,001 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 46 transitions, 100 flow [2023-08-31 21:49:24,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:24,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:24,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:49:24,002 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:24,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:24,002 INFO L85 PathProgramCache]: Analyzing trace with hash 299746564, now seen corresponding path program 1 times [2023-08-31 21:49:24,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:24,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737251474] [2023-08-31 21:49:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:24,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:24,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:24,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737251474] [2023-08-31 21:49:24,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737251474] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:24,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:24,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:24,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908698953] [2023-08-31 21:49:24,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:24,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:24,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:24,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:24,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:24,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 430 [2023-08-31 21:49:24,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,396 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:24,396 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 430 [2023-08-31 21:49:24,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:24,669 INFO L130 PetriNetUnfolder]: 1382/1997 cut-off events. [2023-08-31 21:49:24,669 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:49:24,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3846 conditions, 1997 events. 1382/1997 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 9947 event pairs, 116 based on Foata normal form. 0/1782 useless extension candidates. Maximal degree in co-relation 3842. Up to 688 conditions per place. [2023-08-31 21:49:24,677 INFO L137 encePairwiseOnDemand]: 425/430 looper letters, 63 selfloop transitions, 4 changer transitions 0/85 dead transitions. [2023-08-31 21:49:24,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 85 transitions, 312 flow [2023-08-31 21:49:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1190 transitions. [2023-08-31 21:49:24,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46124031007751937 [2023-08-31 21:49:24,680 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1190 transitions. [2023-08-31 21:49:24,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1190 transitions. [2023-08-31 21:49:24,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:24,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1190 transitions. [2023-08-31 21:49:24,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,687 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,687 INFO L175 Difference]: Start difference. First operand has 50 places, 46 transitions, 100 flow. Second operand 6 states and 1190 transitions. [2023-08-31 21:49:24,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 85 transitions, 312 flow [2023-08-31 21:49:24,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 85 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:24,688 INFO L231 Difference]: Finished difference. Result has 53 places, 45 transitions, 105 flow [2023-08-31 21:49:24,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=105, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2023-08-31 21:49:24,689 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-08-31 21:49:24,689 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 105 flow [2023-08-31 21:49:24,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:24,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:24,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:24,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:49:24,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:24,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:24,691 INFO L85 PathProgramCache]: Analyzing trace with hash -18139061, now seen corresponding path program 1 times [2023-08-31 21:49:24,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:24,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887122238] [2023-08-31 21:49:24,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:24,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:24,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887122238] [2023-08-31 21:49:24,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887122238] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:24,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:24,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:24,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317826069] [2023-08-31 21:49:24,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:24,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:24,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:25,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 430 [2023-08-31 21:49:25,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:25,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 430 [2023-08-31 21:49:25,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:25,172 INFO L130 PetriNetUnfolder]: 710/1225 cut-off events. [2023-08-31 21:49:25,172 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2023-08-31 21:49:25,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2410 conditions, 1225 events. 710/1225 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6575 event pairs, 280 based on Foata normal form. 0/1058 useless extension candidates. Maximal degree in co-relation 2406. Up to 657 conditions per place. [2023-08-31 21:49:25,177 INFO L137 encePairwiseOnDemand]: 425/430 looper letters, 55 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-08-31 21:49:25,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 76 transitions, 285 flow [2023-08-31 21:49:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1182 transitions. [2023-08-31 21:49:25,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45813953488372094 [2023-08-31 21:49:25,180 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1182 transitions. [2023-08-31 21:49:25,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1182 transitions. [2023-08-31 21:49:25,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:25,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1182 transitions. [2023-08-31 21:49:25,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,186 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,187 INFO L175 Difference]: Start difference. First operand has 53 places, 45 transitions, 105 flow. Second operand 6 states and 1182 transitions. [2023-08-31 21:49:25,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 76 transitions, 285 flow [2023-08-31 21:49:25,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 278 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:25,189 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 104 flow [2023-08-31 21:49:25,189 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=104, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-08-31 21:49:25,189 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-08-31 21:49:25,189 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 104 flow [2023-08-31 21:49:25,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:25,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:25,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:49:25,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:25,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:25,191 INFO L85 PathProgramCache]: Analyzing trace with hash -75280790, now seen corresponding path program 1 times [2023-08-31 21:49:25,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:25,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827625067] [2023-08-31 21:49:25,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:25,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:25,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:25,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827625067] [2023-08-31 21:49:25,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827625067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:25,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:25,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:25,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470479608] [2023-08-31 21:49:25,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:25,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:25,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:25,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:25,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:25,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 430 [2023-08-31 21:49:25,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:25,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 430 [2023-08-31 21:49:25,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:25,626 INFO L130 PetriNetUnfolder]: 550/1061 cut-off events. [2023-08-31 21:49:25,627 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2023-08-31 21:49:25,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1970 conditions, 1061 events. 550/1061 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5969 event pairs, 314 based on Foata normal form. 0/930 useless extension candidates. Maximal degree in co-relation 1966. Up to 729 conditions per place. [2023-08-31 21:49:25,629 INFO L137 encePairwiseOnDemand]: 425/430 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2023-08-31 21:49:25,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 59 transitions, 220 flow [2023-08-31 21:49:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2023-08-31 21:49:25,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45193798449612405 [2023-08-31 21:49:25,632 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1166 transitions. [2023-08-31 21:49:25,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1166 transitions. [2023-08-31 21:49:25,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:25,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1166 transitions. [2023-08-31 21:49:25,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.33333333333334) internal successors, (1166), 6 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,637 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,637 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 104 flow. Second operand 6 states and 1166 transitions. [2023-08-31 21:49:25,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 59 transitions, 220 flow [2023-08-31 21:49:25,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 213 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:25,638 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2023-08-31 21:49:25,638 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2023-08-31 21:49:25,639 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -26 predicate places. [2023-08-31 21:49:25,639 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2023-08-31 21:49:25,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:25,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-08-31 21:49:25,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-08-31 21:49:25,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-08-31 21:49:25,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2023-08-31 21:49:25,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-08-31 21:49:25,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-08-31 21:49:25,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-08-31 21:49:25,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-08-31 21:49:25,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-08-31 21:49:25,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-08-31 21:49:25,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-08-31 21:49:25,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-08-31 21:49:25,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:49:25,648 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-31 21:49:25,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:49:25,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:49:25,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:49:25 BasicIcfg [2023-08-31 21:49:25,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:49:25,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:49:25,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:49:25,655 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:49:25,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:17" (3/4) ... [2023-08-31 21:49:25,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:49:25,659 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:49:25,659 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:49:25,659 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:49:25,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-31 21:49:25,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:49:25,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:49:25,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:49:25,686 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:49:25,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:49:25,687 INFO L158 Benchmark]: Toolchain (without parser) took 9091.75ms. Allocated memory was 86.0MB in the beginning and 195.0MB in the end (delta: 109.1MB). Free memory was 61.7MB in the beginning and 95.1MB in the end (delta: -33.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,687 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:49:25,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.92ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 48.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 86.0MB. Free memory was 48.5MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,688 INFO L158 Benchmark]: Boogie Preprocessor took 56.61ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 64.7MB in the end (delta: -19.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,688 INFO L158 Benchmark]: RCFGBuilder took 667.82ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 36.2MB in the end (delta: 28.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,688 INFO L158 Benchmark]: TraceAbstraction took 8029.80ms. Allocated memory was 86.0MB in the beginning and 195.0MB in the end (delta: 109.1MB). Free memory was 35.8MB in the beginning and 98.2MB in the end (delta: -62.4MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,689 INFO L158 Benchmark]: Witness Printer took 32.36ms. Allocated memory is still 195.0MB. Free memory was 98.2MB in the beginning and 95.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:49:25,690 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 is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.92ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 48.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 86.0MB. Free memory was 48.5MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.61ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 64.7MB in the end (delta: -19.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * RCFGBuilder took 667.82ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 36.2MB in the end (delta: 28.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8029.80ms. Allocated memory was 86.0MB in the beginning and 195.0MB in the end (delta: 109.1MB). Free memory was 35.8MB in the beginning and 98.2MB in the end (delta: -62.4MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 32.36ms. Allocated memory is still 195.0MB. Free memory was 98.2MB in the beginning and 95.1MB in the end (delta: 3.1MB). 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: 5.2s, 211 PlacesBefore, 79 PlacesAfterwards, 213 TransitionsBefore, 76 TransitionsAfterwards, 4914 CoEnabledTransitionPairs, 7 FixpointIterations, 121 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 197 TotalNumberOfCompositions, 27700 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8567, independent: 7902, independent conditional: 0, independent unconditional: 7902, dependent: 665, dependent conditional: 0, dependent unconditional: 665, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2448, independent: 2370, independent conditional: 0, independent unconditional: 2370, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8567, independent: 5532, independent conditional: 0, independent unconditional: 5532, dependent: 587, dependent conditional: 0, dependent unconditional: 587, unknown: 2448, unknown conditional: 0, unknown unconditional: 2448] , Statistics on independence cache: Total cache size (in pairs): 610, Positive cache size: 557, Positive conditional cache size: 0, Positive unconditional cache size: 557, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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, 278 locations, 48 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: 7.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 852 IncrementalHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 19 mSDtfsCounter, 852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:49:25,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE