./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:48:47,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:48:47,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:48:47,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:48:47,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:48:47,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:48:47,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:48:47,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:48:47,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:48:47,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:48:47,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:48:47,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:48:47,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:48:47,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:48:47,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:48:47,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:48:47,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:48:47,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:48:47,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:48:47,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:48:47,286 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:48:47,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:48:47,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:48:47,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:48:47,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:48:47,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:48:47,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:48:47,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:48:47,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:48:47,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:48:47,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:48:47,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:48:47,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:48:47,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:48:47,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:48:47,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:48:47,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:48:47,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:48:47,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:48:47,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:48:47,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:48:47,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:48:47,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:48:47,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:48:47,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:48:47,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:48:47,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:48:47,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:48:47,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:48:47,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:48:47,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:48:47,327 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:48:47,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:48:47,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:48:47,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:48:47,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:48:47,329 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:48:47,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:48:47,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:48:47,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:48:47,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:48:47,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:48:47,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:48:47,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:48:47,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:47,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:48:47,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:48:47,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:48:47,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2022-04-18 15:48:47,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:48:47,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:48:47,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:48:47,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:48:47,565 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:48:47,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-04-18 15:48:47,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae729e2/75e5ffb3e7924ae2828f927e52cd6b36/FLAG12067f87a [2022-04-18 15:48:47,989 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:48:47,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-04-18 15:48:47,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae729e2/75e5ffb3e7924ae2828f927e52cd6b36/FLAG12067f87a [2022-04-18 15:48:48,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae729e2/75e5ffb3e7924ae2828f927e52cd6b36 [2022-04-18 15:48:48,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:48:48,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:48:48,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:48,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:48:48,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:48:48,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0c41ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48, skipping insertion in model container [2022-04-18 15:48:48,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:48:48,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:48:48,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-04-18 15:48:48,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:48,644 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:48:48,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-04-18 15:48:48,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:48,714 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:48:48,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48 WrapperNode [2022-04-18 15:48:48,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:48,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:48,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:48:48,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:48:48,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,765 INFO L137 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-04-18 15:48:48,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:48,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:48:48,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:48:48,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:48:48,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:48:48,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:48:48,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:48:48,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:48:48,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (1/1) ... [2022-04-18 15:48:48,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:48,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:48:48,832 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) [2022-04-18 15:48:48,850 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 [2022-04-18 15:48:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:48:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:48:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:48:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:48:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:48:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 15:48:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 15:48:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:48:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:48:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:48:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:48:48,864 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:48:48,969 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:48:48,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:48:49,110 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:48:49,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:48:49,115 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 15:48:49,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:49 BoogieIcfgContainer [2022-04-18 15:48:49,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:48:49,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:48:49,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:48:49,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:48:49,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:48:48" (1/3) ... [2022-04-18 15:48:49,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e398934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:49, skipping insertion in model container [2022-04-18 15:48:49,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:48" (2/3) ... [2022-04-18 15:48:49,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e398934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:49, skipping insertion in model container [2022-04-18 15:48:49,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:49" (3/3) ... [2022-04-18 15:48:49,123 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2022-04-18 15:48:49,126 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:48:49,127 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:48:49,127 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-04-18 15:48:49,127 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:48:49,154 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 15:48:49,185 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:48:49,190 INFO L340 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 [2022-04-18 15:48:49,190 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 15:48:49,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 104 transitions, 216 flow [2022-04-18 15:48:49,232 INFO L129 PetriNetUnfolder]: 2/103 cut-off events. [2022-04-18 15:48:49,232 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:49,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 2/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-04-18 15:48:49,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 104 transitions, 216 flow [2022-04-18 15:48:49,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2022-04-18 15:48:49,245 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2022-04-18 15:48:49,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:48:49,246 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:49,246 INFO L255 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] [2022-04-18 15:48:49,247 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:49,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:49,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1827032756, now seen corresponding path program 1 times [2022-04-18 15:48:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:49,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999722671] [2022-04-18 15:48:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:49,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:49,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:49,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999722671] [2022-04-18 15:48:49,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999722671] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:49,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:49,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:49,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338864995] [2022-04-18 15:48:49,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:49,423 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:49,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:49,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:49,454 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 104 [2022-04-18 15:48:49,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-04-18 15:48:49,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:49,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 104 [2022-04-18 15:48:49,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:49,550 INFO L129 PetriNetUnfolder]: 21/263 cut-off events. [2022-04-18 15:48:49,550 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:49,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 263 events. 21/263 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1007 event pairs, 5 based on Foata normal form. 14/242 useless extension candidates. Maximal degree in co-relation 281. Up to 32 conditions per place. [2022-04-18 15:48:49,553 INFO L132 encePairwiseOnDemand]: 95/104 looper letters, 14 selfloop transitions, 5 changer transitions 1/97 dead transitions. [2022-04-18 15:48:49,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 97 transitions, 235 flow [2022-04-18 15:48:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2022-04-18 15:48:49,563 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9038461538461539 [2022-04-18 15:48:49,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2022-04-18 15:48:49,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2022-04-18 15:48:49,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:49,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2022-04-18 15:48:49,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2022-04-18 15:48:49,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,575 INFO L186 Difference]: Start difference. First operand has 97 places, 95 transitions, 193 flow. Second operand 3 states and 282 transitions. [2022-04-18 15:48:49,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 97 transitions, 235 flow [2022-04-18 15:48:49,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:48:49,579 INFO L242 Difference]: Finished difference. Result has 97 places, 92 transitions, 214 flow [2022-04-18 15:48:49,581 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2022-04-18 15:48:49,583 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, 0 predicate places. [2022-04-18 15:48:49,583 INFO L478 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 214 flow [2022-04-18 15:48:49,584 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-04-18 15:48:49,584 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:49,584 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:49,584 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:48:49,585 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 491473643, now seen corresponding path program 1 times [2022-04-18 15:48:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:49,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459924870] [2022-04-18 15:48:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:49,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:49,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459924870] [2022-04-18 15:48:49,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459924870] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:49,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:49,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:49,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447650491] [2022-04-18 15:48:49,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:49,637 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:49,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:49,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:49,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:49,639 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 104 [2022-04-18 15:48:49,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2022-04-18 15:48:49,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:49,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 104 [2022-04-18 15:48:49,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:49,704 INFO L129 PetriNetUnfolder]: 25/322 cut-off events. [2022-04-18 15:48:49,704 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-04-18 15:48:49,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 322 events. 25/322 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1507 event pairs, 9 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 409. Up to 60 conditions per place. [2022-04-18 15:48:49,706 INFO L132 encePairwiseOnDemand]: 99/104 looper letters, 19 selfloop transitions, 4 changer transitions 0/98 dead transitions. [2022-04-18 15:48:49,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 98 transitions, 284 flow [2022-04-18 15:48:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2022-04-18 15:48:49,709 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2022-04-18 15:48:49,709 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2022-04-18 15:48:49,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2022-04-18 15:48:49,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:49,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2022-04-18 15:48:49,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2022-04-18 15:48:49,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,712 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,712 INFO L186 Difference]: Start difference. First operand has 97 places, 92 transitions, 214 flow. Second operand 3 states and 272 transitions. [2022-04-18 15:48:49,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 98 transitions, 284 flow [2022-04-18 15:48:49,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 98 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:49,714 INFO L242 Difference]: Finished difference. Result has 98 places, 95 transitions, 236 flow [2022-04-18 15:48:49,715 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2022-04-18 15:48:49,715 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, 1 predicate places. [2022-04-18 15:48:49,715 INFO L478 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 236 flow [2022-04-18 15:48:49,716 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2022-04-18 15:48:49,716 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:49,716 INFO L255 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, 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] [2022-04-18 15:48:49,716 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:48:49,716 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:49,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:49,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2146048666, now seen corresponding path program 1 times [2022-04-18 15:48:49,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:49,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666286391] [2022-04-18 15:48:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:49,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:49,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:49,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666286391] [2022-04-18 15:48:49,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666286391] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:49,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:49,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:48:49,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371886253] [2022-04-18 15:48:49,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:49,767 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:49,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:49,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:49,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:49,769 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 104 [2022-04-18 15:48:49,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2022-04-18 15:48:49,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:49,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 104 [2022-04-18 15:48:49,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:49,821 INFO L129 PetriNetUnfolder]: 26/328 cut-off events. [2022-04-18 15:48:49,822 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-04-18 15:48:49,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 328 events. 26/328 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1470 event pairs, 14 based on Foata normal form. 3/308 useless extension candidates. Maximal degree in co-relation 411. Up to 66 conditions per place. [2022-04-18 15:48:49,824 INFO L132 encePairwiseOnDemand]: 97/104 looper letters, 18 selfloop transitions, 7 changer transitions 0/99 dead transitions. [2022-04-18 15:48:49,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 99 transitions, 280 flow [2022-04-18 15:48:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2022-04-18 15:48:49,826 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.875 [2022-04-18 15:48:49,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2022-04-18 15:48:49,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2022-04-18 15:48:49,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:49,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2022-04-18 15:48:49,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2022-04-18 15:48:49,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,828 INFO L186 Difference]: Start difference. First operand has 98 places, 95 transitions, 236 flow. Second operand 3 states and 273 transitions. [2022-04-18 15:48:49,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 99 transitions, 280 flow [2022-04-18 15:48:49,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 99 transitions, 268 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-04-18 15:48:49,832 INFO L242 Difference]: Finished difference. Result has 96 places, 96 transitions, 243 flow [2022-04-18 15:48:49,833 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=96, PETRI_TRANSITIONS=96} [2022-04-18 15:48:49,834 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2022-04-18 15:48:49,835 INFO L478 AbstractCegarLoop]: Abstraction has has 96 places, 96 transitions, 243 flow [2022-04-18 15:48:49,835 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2022-04-18 15:48:49,835 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:49,835 INFO L255 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, 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] [2022-04-18 15:48:49,835 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 15:48:49,836 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2053805840, now seen corresponding path program 1 times [2022-04-18 15:48:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:49,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012985888] [2022-04-18 15:48:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:49,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:49,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:49,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012985888] [2022-04-18 15:48:49,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012985888] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:49,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:49,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112052155] [2022-04-18 15:48:49,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:49,900 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:49,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:49,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:49,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:49,902 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 104 [2022-04-18 15:48:49,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 96 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-04-18 15:48:49,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:49,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 104 [2022-04-18 15:48:49,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:49,942 INFO L129 PetriNetUnfolder]: 28/331 cut-off events. [2022-04-18 15:48:49,942 INFO L130 PetriNetUnfolder]: For 22/25 co-relation queries the response was YES. [2022-04-18 15:48:49,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 331 events. 28/331 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1567 event pairs, 10 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 458. Up to 54 conditions per place. [2022-04-18 15:48:49,944 INFO L132 encePairwiseOnDemand]: 99/104 looper letters, 17 selfloop transitions, 5 changer transitions 0/102 dead transitions. [2022-04-18 15:48:49,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 307 flow [2022-04-18 15:48:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-04-18 15:48:49,946 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8685897435897436 [2022-04-18 15:48:49,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-04-18 15:48:49,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-04-18 15:48:49,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:49,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-04-18 15:48:49,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-04-18 15:48:49,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:49,951 INFO L186 Difference]: Start difference. First operand has 96 places, 96 transitions, 243 flow. Second operand 3 states and 271 transitions. [2022-04-18 15:48:49,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 307 flow [2022-04-18 15:48:49,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 102 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:48:49,956 INFO L242 Difference]: Finished difference. Result has 99 places, 99 transitions, 272 flow [2022-04-18 15:48:49,957 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=99, PETRI_TRANSITIONS=99} [2022-04-18 15:48:49,958 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2022-04-18 15:48:49,958 INFO L478 AbstractCegarLoop]: Abstraction has has 99 places, 99 transitions, 272 flow [2022-04-18 15:48:49,958 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2022-04-18 15:48:49,962 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:49,962 INFO L255 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, 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, 1, 1] [2022-04-18 15:48:49,962 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 15:48:49,963 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:49,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1613482683, now seen corresponding path program 1 times [2022-04-18 15:48:49,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:49,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481102503] [2022-04-18 15:48:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:50,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:50,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481102503] [2022-04-18 15:48:50,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481102503] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:50,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:50,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:48:50,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572679726] [2022-04-18 15:48:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:50,111 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:48:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:50,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:48:50,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:48:50,114 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 104 [2022-04-18 15:48:50,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 272 flow. Second operand has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 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) [2022-04-18 15:48:50,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:50,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 104 [2022-04-18 15:48:50,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:50,162 INFO L129 PetriNetUnfolder]: 21/285 cut-off events. [2022-04-18 15:48:50,162 INFO L130 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES. [2022-04-18 15:48:50,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 285 events. 21/285 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1255 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 407. Up to 52 conditions per place. [2022-04-18 15:48:50,163 INFO L132 encePairwiseOnDemand]: 99/104 looper letters, 6 selfloop transitions, 4 changer transitions 9/98 dead transitions. [2022-04-18 15:48:50,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 98 transitions, 290 flow [2022-04-18 15:48:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:48:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:48:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 527 transitions. [2022-04-18 15:48:50,166 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.844551282051282 [2022-04-18 15:48:50,166 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 527 transitions. [2022-04-18 15:48:50,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 527 transitions. [2022-04-18 15:48:50,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:50,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 527 transitions. [2022-04-18 15:48:50,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 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) [2022-04-18 15:48:50,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-04-18 15:48:50,168 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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) [2022-04-18 15:48:50,169 INFO L186 Difference]: Start difference. First operand has 99 places, 99 transitions, 272 flow. Second operand 6 states and 527 transitions. [2022-04-18 15:48:50,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 98 transitions, 290 flow [2022-04-18 15:48:50,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 98 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:50,173 INFO L242 Difference]: Finished difference. Result has 101 places, 89 transitions, 232 flow [2022-04-18 15:48:50,173 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=232, PETRI_PLACES=101, PETRI_TRANSITIONS=89} [2022-04-18 15:48:50,174 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, 4 predicate places. [2022-04-18 15:48:50,174 INFO L478 AbstractCegarLoop]: Abstraction has has 101 places, 89 transitions, 232 flow [2022-04-18 15:48:50,175 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 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) [2022-04-18 15:48:50,175 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:50,175 INFO L255 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, 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, 1, 1, 1, 1] [2022-04-18 15:48:50,175 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 15:48:50,175 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 15:48:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1427434001, now seen corresponding path program 1 times [2022-04-18 15:48:50,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:50,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540382167] [2022-04-18 15:48:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:50,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540382167] [2022-04-18 15:48:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540382167] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:50,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:50,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:48:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867658850] [2022-04-18 15:48:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:50,231 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:50,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:50,232 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 104 [2022-04-18 15:48:50,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 89 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2022-04-18 15:48:50,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:50,233 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 104 [2022-04-18 15:48:50,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:50,262 INFO L129 PetriNetUnfolder]: 1/109 cut-off events. [2022-04-18 15:48:50,263 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-04-18 15:48:50,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 109 events. 1/109 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 112 event pairs, 0 based on Foata normal form. 5/113 useless extension candidates. Maximal degree in co-relation 148. Up to 13 conditions per place. [2022-04-18 15:48:50,263 INFO L132 encePairwiseOnDemand]: 98/104 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2022-04-18 15:48:50,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 84 transitions, 248 flow [2022-04-18 15:48:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2022-04-18 15:48:50,265 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8525641025641025 [2022-04-18 15:48:50,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 266 transitions. [2022-04-18 15:48:50,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 266 transitions. [2022-04-18 15:48:50,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:50,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 266 transitions. [2022-04-18 15:48:50,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2022-04-18 15:48:50,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:50,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-04-18 15:48:50,268 INFO L186 Difference]: Start difference. First operand has 101 places, 89 transitions, 232 flow. Second operand 3 states and 266 transitions. [2022-04-18 15:48:50,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 84 transitions, 248 flow [2022-04-18 15:48:50,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 84 transitions, 220 flow, removed 5 selfloop flow, removed 7 redundant places. [2022-04-18 15:48:50,270 INFO L242 Difference]: Finished difference. Result has 90 places, 0 transitions, 0 flow [2022-04-18 15:48:50,270 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=90, PETRI_TRANSITIONS=0} [2022-04-18 15:48:50,272 INFO L335 CegarLoopForPetriNet]: 97 programPoint places, -7 predicate places. [2022-04-18 15:48:50,272 INFO L478 AbstractCegarLoop]: Abstraction has has 90 places, 0 transitions, 0 flow [2022-04-18 15:48:50,273 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2022-04-18 15:48:50,274 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-04-18 15:48:50,275 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-04-18 15:48:50,275 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-04-18 15:48:50,275 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-04-18 15:48:50,275 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-04-18 15:48:50,276 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-04-18 15:48:50,276 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-04-18 15:48:50,278 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-04-18 15:48:50,278 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 15:48:50,281 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-04-18 15:48:50,284 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 15:48:50,284 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 15:48:50,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:48:50 BasicIcfg [2022-04-18 15:48:50,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 15:48:50,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 15:48:50,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 15:48:50,291 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 15:48:50,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:49" (3/4) ... [2022-04-18 15:48:50,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 15:48:50,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 15:48:50,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-04-18 15:48:50,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 15:48:50,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 15:48:50,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 15:48:50,334 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 15:48:50,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 15:48:50,335 INFO L158 Benchmark]: Toolchain (without parser) took 1955.79ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 75.0MB in the beginning and 67.2MB in the end (delta: 7.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,335 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:48:50,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.31ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 74.7MB in the beginning and 104.6MB in the end (delta: -29.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.00ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,336 INFO L158 Benchmark]: Boogie Preprocessor took 38.13ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,336 INFO L158 Benchmark]: RCFGBuilder took 312.09ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 88.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,336 INFO L158 Benchmark]: TraceAbstraction took 1172.12ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 69.3MB in the end (delta: 18.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,337 INFO L158 Benchmark]: Witness Printer took 43.01ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:50,338 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 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.31ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 74.7MB in the beginning and 104.6MB in the end (delta: -29.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.00ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.13ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.09ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 88.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1172.12ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 69.3MB in the end (delta: 18.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 43.01ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 129 locations, 8 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: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 62 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 465 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 15:48:50,364 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