./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32c393bbaf647de3bfd530cd3cc1aca8bd987b98 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32c393bbaf647de3bfd530cd3cc1aca8bd987b98 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:42,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:42,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:42,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:42,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:42,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:42,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:42,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:42,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:42,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:42,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:42,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:42,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:42,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:42,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:42,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:42,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:42,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:42,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:42,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:42,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:42,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:42,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:42,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:42,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:42,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:42,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:42,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:42,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:42,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:42,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:42,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:42,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:42,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:42,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:42,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:42,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:42,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:42,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:42,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:42,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:42,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:42,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:42,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:42,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:42,352 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:42,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:42,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:42,354 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:42,354 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:42,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:42,354 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:42,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:42,357 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:42,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:42,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:42,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:42,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:42,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:42,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:42,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:42,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:42,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:42,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:42,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:42,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:42,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:42,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:42,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:42,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:42,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:42,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:42,362 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:42,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:42,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:42,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:42,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:42,364 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:/tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32c393bbaf647de3bfd530cd3cc1aca8bd987b98 [2020-11-28 07:39:42,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:42,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:42,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:42,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:42,660 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:42,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2020-11-28 07:39:42,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/9d342d986/ad25b1bfd5ce42b1a8a6d0706e99839d/FLAG03d5cd43d [2020-11-28 07:39:43,335 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:43,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2020-11-28 07:39:43,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/9d342d986/ad25b1bfd5ce42b1a8a6d0706e99839d/FLAG03d5cd43d [2020-11-28 07:39:43,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/9d342d986/ad25b1bfd5ce42b1a8a6d0706e99839d [2020-11-28 07:39:43,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:43,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:43,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:43,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:43,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:43,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:43" (1/1) ... [2020-11-28 07:39:43,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fba4c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:43, skipping insertion in model container [2020-11-28 07:39:43,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:43" (1/1) ... [2020-11-28 07:39:43,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:43,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:44,612 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-11-28 07:39:44,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ffd72f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:44, skipping insertion in model container [2020-11-28 07:39:44,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:44,615 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:44,619 INFO L168 Benchmark]: Toolchain (without parser) took 1013.29 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 82.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:44,621 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:44,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.96 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 82.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:44,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1002.96 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 82.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:47,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:47,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:47,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:47,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:47,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:47,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:47,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:47,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:47,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:47,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:47,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:47,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:47,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:47,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:47,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:47,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:47,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:47,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:47,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:47,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:47,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:47,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:47,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:47,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:47,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:47,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:47,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:47,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:47,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:47,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:47,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:47,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:47,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:47,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:47,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:47,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:47,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:47,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:47,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:47,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:47,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:47,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:47,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:47,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:47,255 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:47,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:47,256 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:47,256 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:47,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:47,256 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:47,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:47,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:47,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:47,258 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:47,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:47,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:47,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:47,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:47,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:47,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:47,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:47,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:47,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:47,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:47,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:47,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:47,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:47,264 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:47,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:47,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:47,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:47,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:47,276 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:/tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32c393bbaf647de3bfd530cd3cc1aca8bd987b98 [2020-11-28 07:39:47,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:47,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:47,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:47,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:47,726 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:47,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2020-11-28 07:39:47,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/67a85b4e4/735a5568d558464daf3e524ac79543bf/FLAGb6af6e137 [2020-11-28 07:39:48,580 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:48,584 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2020-11-28 07:39:48,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/67a85b4e4/735a5568d558464daf3e524ac79543bf/FLAGb6af6e137 [2020-11-28 07:39:48,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c9be013-48db-4291-9a6f-ab7ac906c0f6/bin/utaipan/data/67a85b4e4/735a5568d558464daf3e524ac79543bf [2020-11-28 07:39:48,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:48,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:48,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:48,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:48,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:48,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:48" (1/1) ... [2020-11-28 07:39:48,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdfade7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:48, skipping insertion in model container [2020-11-28 07:39:48,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:48" (1/1) ... [2020-11-28 07:39:48,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:48,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:49,566 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-11-28 07:39:49,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11fc4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:49, skipping insertion in model container [2020-11-28 07:39:49,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:49,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:49,569 INFO L168 Benchmark]: Toolchain (without parser) took 792.89 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 50.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:49,570 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 58.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:49,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.31 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 50.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:49,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 58.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 789.31 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 50.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * 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...