./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:11:17,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:11:17,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:11:17,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:11:17,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:11:17,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:11:17,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:11:17,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:11:17,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:11:17,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:11:17,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:11:17,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:11:17,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:11:17,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:11:17,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:11:17,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:11:17,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:11:17,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:11:17,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:11:17,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:11:17,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:11:17,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:11:17,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:11:17,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:11:17,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:11:17,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:11:17,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:11:17,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:11:17,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:11:17,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:11:17,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:11:17,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:11:17,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:11:17,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:11:17,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:11:17,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:11:17,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:11:17,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:11:17,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:11:17,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:11:17,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:11:17,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 16:11:17,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:11:17,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:11:17,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:11:17,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:11:17,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:11:17,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:11:17,655 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:11:17,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:11:17,655 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:11:17,655 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:11:17,656 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:11:17,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:11:17,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:11:17,657 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:11:17,657 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:11:17,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:11:17,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:11:17,658 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:11:17,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 16:11:17,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 16:11:17,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:11:17,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:11:17,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:11:17,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:11:17,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:11:17,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:11:17,661 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 16:11:17,661 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 16:11:17,661 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 16:11:17,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:11:17,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:11:17,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:11:17,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:11:17,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:11:17,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:11:17,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:11:17,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:11:17,663 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:11:17,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:11:17,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:11:17,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:11:17,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:11:17,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2022-11-23 16:11:17,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:11:18,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:11:18,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:11:18,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:11:18,006 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:11:18,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-23 16:11:21,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:11:21,388 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:11:21,389 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-23 16:11:21,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/b20ac16b3/531bc902aa654844aba0c36f25632ffb/FLAG089c48358 [2022-11-23 16:11:21,418 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/b20ac16b3/531bc902aa654844aba0c36f25632ffb [2022-11-23 16:11:21,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:11:21,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:11:21,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:11:21,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:11:21,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:11:21,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:21" (1/1) ... [2022-11-23 16:11:21,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53368678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:21, skipping insertion in model container [2022-11-23 16:11:21,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:21" (1/1) ... [2022-11-23 16:11:21,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:11:21,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:11:21,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i[30176,30189] [2022-11-23 16:11:21,900 ERROR L326 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2022-11-23 16:11:21,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@418e9e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:21, skipping insertion in model container [2022-11-23 16:11:21,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:11:21,901 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 16:11:21,903 INFO L158 Benchmark]: Toolchain (without parser) took 479.82ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 108.1MB in the end (delta: -4.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:11:21,904 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:11:21,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.28ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 108.1MB in the end (delta: -4.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:11:21,906 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 109.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.28ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 108.1MB in the end (delta: -4.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:11:24,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:11:24,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:11:24,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:11:24,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:11:24,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:11:24,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:11:24,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:11:24,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:11:24,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:11:24,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:11:24,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:11:24,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:11:24,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:11:24,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:11:24,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:11:24,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:11:24,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:11:24,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:11:24,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:11:24,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:11:24,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:11:24,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:11:24,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:11:24,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:11:24,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:11:24,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:11:24,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:11:24,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:11:24,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:11:24,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:11:24,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:11:24,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:11:24,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:11:24,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:11:24,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:11:24,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:11:24,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:11:24,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:11:24,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:11:24,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:11:24,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-23 16:11:24,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:11:24,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:11:24,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:11:24,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:11:24,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:11:24,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:11:24,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:11:24,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:11:24,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:11:24,328 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:11:24,329 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:11:24,330 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:11:24,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 16:11:24,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 16:11:24,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:11:24,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:11:24,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:11:24,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:11:24,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:11:24,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:11:24,332 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 16:11:24,332 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 16:11:24,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 16:11:24,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:11:24,333 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:11:24,333 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:11:24,333 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:11:24,334 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:11:24,334 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:11:24,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:11:24,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:11:24,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:11:24,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:11:24,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:11:24,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:11:24,336 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:11:24,336 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:11:24,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:11:24,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:11:24,336 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_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2022-11-23 16:11:24,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:11:24,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:11:24,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:11:24,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:11:24,773 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:11:24,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-23 16:11:27,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:11:28,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:11:28,284 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2022-11-23 16:11:28,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/6b3dadea0/ff6b66eb98d14a858df66ea7a5339741/FLAG690da9e55 [2022-11-23 16:11:28,324 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/bin/utaipan-Q6hlc19bkW/data/6b3dadea0/ff6b66eb98d14a858df66ea7a5339741 [2022-11-23 16:11:28,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:11:28,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:11:28,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:11:28,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:11:28,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:11:28,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:28" (1/1) ... [2022-11-23 16:11:28,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce14fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:28, skipping insertion in model container [2022-11-23 16:11:28,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:28" (1/1) ... [2022-11-23 16:11:28,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:11:28,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:11:28,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f1dba7-7152-40dc-8f82-6c986157fc6c/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i[30176,30189] [2022-11-23 16:11:28,822 ERROR L326 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2022-11-23 16:11:28,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47709519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:28, skipping insertion in model container [2022-11-23 16:11:28,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:11:28,824 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 16:11:28,826 INFO L158 Benchmark]: Toolchain (without parser) took 494.80ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 48.4MB in the end (delta: -2.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 16:11:28,826 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:11:28,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.30ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 48.4MB in the end (delta: -2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 16:11:28,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.30ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 48.4MB in the end (delta: -2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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