./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.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/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:47:13,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:47:13,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:47:13,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:47:13,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:47:13,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:47:13,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:47:13,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:47:13,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:47:13,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:47:13,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:47:13,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:47:13,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:47:13,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:47:13,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:47:13,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:47:13,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:47:13,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:47:13,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:47:13,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:47:13,645 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:47:13,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:47:13,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:47:13,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:47:13,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:47:13,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:47:13,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:47:13,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:47:13,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:47:13,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:47:13,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:47:13,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:47:13,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:47:13,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:47:13,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:47:13,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:47:13,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:47:13,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:47:13,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:47:13,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:47:13,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:47:13,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:47:13,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:47:13,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:47:13,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:47:13,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:47:13,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:47:13,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:47:13,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:47:13,689 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:47:13,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:47:13,690 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:47:13,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:47:13,690 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:47:13,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:47:13,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:47:13,691 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:47:13,691 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:47:13,691 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:47:13,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:47:13,691 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:47:13,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:47:13,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:47:13,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:47:13,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:47:13,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:47:13,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:47:13,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:47:13,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:47:13,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:47:13,694 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:47:13,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:47:13,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:47:13,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:47:13,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:47:13,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:47:13,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:47:13,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:47:13,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:47:13,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:47:13,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:47:13,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:47:13,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:47:13,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:47:13,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:47:13,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:47:13,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-04-18 18:47:13,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:47:13,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:47:13,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:47:13,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:47:13,907 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:47:13,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2022-04-18 18:47:13,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fb833f08/3d0df8de7f5f4eb6aaf8741fcd8bd94b/FLAGab5e6ad27 [2022-04-18 18:47:14,414 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:47:14,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2022-04-18 18:47:14,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fb833f08/3d0df8de7f5f4eb6aaf8741fcd8bd94b/FLAGab5e6ad27 [2022-04-18 18:47:14,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fb833f08/3d0df8de7f5f4eb6aaf8741fcd8bd94b [2022-04-18 18:47:14,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:47:14,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:47:14,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:14,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:47:14,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:47:14,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:14" (1/1) ... [2022-04-18 18:47:14,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493d4ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:14, skipping insertion in model container [2022-04-18 18:47:14,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:14" (1/1) ... [2022-04-18 18:47:14,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:47:14,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:47:14,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-04-18 18:47:15,002 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-04-18 18:47:15,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ff27ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:15, skipping insertion in model container [2022-04-18 18:47:15,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:15,003 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 18:47:15,005 INFO L158 Benchmark]: Toolchain (without parser) took 541.20ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.3MB in the beginning and 74.1MB in the end (delta: -25.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 18:47:15,006 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:47:15,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.20ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.1MB in the beginning and 74.1MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 18:47:15,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.20ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.1MB in the beginning and 74.1MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:47:16,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:47:16,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:47:16,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:47:16,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:47:16,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:47:16,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:47:16,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:47:16,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:47:16,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:47:16,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:47:16,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:47:16,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:47:16,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:47:16,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:47:16,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:47:16,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:47:16,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:47:16,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:47:16,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:47:16,732 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:47:16,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:47:16,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:47:16,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:47:16,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:47:16,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:47:16,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:47:16,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:47:16,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:47:16,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:47:16,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:47:16,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:47:16,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:47:16,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:47:16,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:47:16,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:47:16,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:47:16,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:47:16,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:47:16,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:47:16,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:47:16,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:47:16,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 18:47:16,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:47:16,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:47:16,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:47:16,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:47:16,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:47:16,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:47:16,767 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:47:16,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:47:16,767 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:47:16,767 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:47:16,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:47:16,768 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:47:16,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:47:16,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:47:16,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:47:16,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:47:16,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:47:16,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:47:16,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:47:16,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:47:16,776 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:47:16,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 18:47:16,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 18:47:16,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:47:16,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:47:16,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:47:16,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:47:16,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:47:16,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 18:47:16,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:47:16,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:47:16,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:47:16,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:47:16,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:47:16,778 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 18:47:16,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 18:47:16,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:47:16,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:47:16,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:47:16,779 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-04-18 18:47:17,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:47:17,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:47:17,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:47:17,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:47:17,117 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:47:17,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2022-04-18 18:47:17,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f6def854c/d9c06b3b6bb94b69b664a53fe1b9288f/FLAG2224393e9 [2022-04-18 18:47:17,681 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:47:17,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2022-04-18 18:47:17,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f6def854c/d9c06b3b6bb94b69b664a53fe1b9288f/FLAG2224393e9 [2022-04-18 18:47:17,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f6def854c/d9c06b3b6bb94b69b664a53fe1b9288f [2022-04-18 18:47:17,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:47:17,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:47:18,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:18,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:47:18,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:47:18,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:17" (1/1) ... [2022-04-18 18:47:18,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41810fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:18, skipping insertion in model container [2022-04-18 18:47:18,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:47:17" (1/1) ... [2022-04-18 18:47:18,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:47:18,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:47:18,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-04-18 18:47:18,560 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-04-18 18:47:18,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f0a2a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:47:18, skipping insertion in model container [2022-04-18 18:47:18,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:47:18,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 18:47:18,568 INFO L158 Benchmark]: Toolchain (without parser) took 565.56ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 27.0MB in the beginning and 42.9MB in the end (delta: -15.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-04-18 18:47:18,569 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:47:18,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.07ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 26.8MB in the beginning and 42.9MB in the end (delta: -16.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-04-18 18:47:18,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.07ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 26.8MB in the beginning and 42.9MB in the end (delta: -16.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN