./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs --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 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:58:06,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:58:06,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:58:06,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:58:06,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:58:06,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:58:06,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:58:06,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:58:06,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:58:06,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:58:06,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:58:06,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:58:06,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:58:06,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:58:06,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:58:06,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:58:06,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:58:06,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:58:06,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:58:06,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:58:06,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:58:06,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:58:06,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:58:06,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:58:06,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:58:06,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:58:06,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:58:06,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:58:06,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:58:06,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:58:06,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:58:06,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:58:06,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:58:06,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:58:06,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:58:06,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:58:06,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:58:06,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:58:06,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:58:06,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:58:06,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:58:06,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 14:58:06,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:58:06,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:58:06,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:58:06,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:58:06,599 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:58:06,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:58:06,600 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:58:06,600 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:58:06,600 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:58:06,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:58:06,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:58:06,602 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:58:06,602 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:58:06,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:58:06,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:58:06,603 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:58:06,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:58:06,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:58:06,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:58:06,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:58:06,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:58:06,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:58:06,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:58:06,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:58:06,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:58:06,607 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 14:58:06,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:58:06,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:58:06,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:58:06,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:58:06,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:58:06,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:58:06,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:58:06,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:06,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:58:06,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:58:06,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:58:06,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:58:06,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:58:06,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:58:06,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:58:06,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:58:06,612 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_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 [2021-11-19 14:58:06,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:58:06,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:58:06,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:58:06,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:58:06,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:58:06,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2021-11-19 14:58:07,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/6993b8bd0/3aca1191c9474f0692533c1d6260d4fb/FLAGc144b7d43 [2021-11-19 14:58:07,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:58:07,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2021-11-19 14:58:07,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/6993b8bd0/3aca1191c9474f0692533c1d6260d4fb/FLAGc144b7d43 [2021-11-19 14:58:08,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/6993b8bd0/3aca1191c9474f0692533c1d6260d4fb [2021-11-19 14:58:08,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:58:08,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:58:08,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:08,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:58:08,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:58:08,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:08" (1/1) ... [2021-11-19 14:58:08,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc65524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:08, skipping insertion in model container [2021-11-19 14:58:08,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:08" (1/1) ... [2021-11-19 14:58:08,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:58:08,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:58:08,717 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: scanf [2021-11-19 14:58:08,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68fbc927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:08, skipping insertion in model container [2021-11-19 14:58:08,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:08,719 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:58:08,722 INFO L158 Benchmark]: Toolchain (without parser) took 704.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.1MB in the beginning and 76.7MB in the end (delta: -29.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-19 14:58:08,722 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:58:08,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.10ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.0MB in the beginning and 76.7MB in the end (delta: -29.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-19 14:58:08,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.10ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.0MB in the beginning and 76.7MB in the end (delta: -29.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 925]: Unsupported Syntax Unsupported function: scanf 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs --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 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:58:11,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:58:11,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:58:11,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:58:11,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:58:11,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:58:11,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:58:11,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:58:11,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:58:11,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:58:11,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:58:11,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:58:11,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:58:11,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:58:11,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:58:11,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:58:11,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:58:11,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:58:11,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:58:11,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:58:11,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:58:11,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:58:11,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:58:11,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:58:11,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:58:11,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:58:11,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:58:11,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:58:11,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:58:11,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:58:11,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:58:11,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:58:11,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:58:11,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:58:11,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:58:11,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:58:11,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:58:11,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:58:11,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:58:11,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:58:11,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:58:11,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-19 14:58:11,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:58:11,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:58:11,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:58:11,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:58:11,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:58:11,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:58:11,585 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:58:11,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:58:11,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:58:11,586 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:58:11,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:58:11,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:58:11,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:58:11,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:58:11,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:58:11,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:58:11,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:58:11,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:58:11,591 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 14:58:11,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:58:11,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:58:11,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:58:11,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:58:11,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:58:11,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:58:11,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:58:11,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:58:11,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:58:11,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:58:11,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:11,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:58:11,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:58:11,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:58:11,594 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:58:11,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:58:11,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:58:11,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:58:11,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:58:11,595 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_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 [2021-11-19 14:58:12,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:58:12,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:58:12,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:58:12,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:58:12,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:58:12,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2021-11-19 14:58:12,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/8fb8d4a25/adee4813afb042edbc47816d6c168d72/FLAG752c24274 [2021-11-19 14:58:13,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:58:13,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2021-11-19 14:58:13,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/8fb8d4a25/adee4813afb042edbc47816d6c168d72/FLAG752c24274 [2021-11-19 14:58:13,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d202938-b3ad-49a0-aa65-ee1970fe3f8e/bin/utaipan-UbGMyvGFUs/data/8fb8d4a25/adee4813afb042edbc47816d6c168d72 [2021-11-19 14:58:13,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:58:13,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:58:13,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:13,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:58:13,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:58:13,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:13" (1/1) ... [2021-11-19 14:58:13,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7093902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:13, skipping insertion in model container [2021-11-19 14:58:13,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:13" (1/1) ... [2021-11-19 14:58:13,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:58:13,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:58:13,960 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: scanf [2021-11-19 14:58:13,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68cefae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:13, skipping insertion in model container [2021-11-19 14:58:13,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:13,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:58:13,966 INFO L158 Benchmark]: Toolchain (without parser) took 752.04ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 45.1MB in the end (delta: -2.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-19 14:58:13,968 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:58:13,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.87ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 45.3MB in the end (delta: -3.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-19 14:58:13,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.87ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 45.3MB in the end (delta: -3.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 925]: Unsupported Syntax Unsupported function: scanf 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