./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:33:35,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:33:35,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-12-02 16:33:35,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:33:35,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:33:35,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:33:35,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:33:35,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:33:35,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:33:35,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:33:35,202 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:33:35,202 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:33:35,203 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:33:35,212 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:33:35,213 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:33:35,214 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:33:35,214 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:33:35,215 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:33:35,215 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:33:35,216 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:33:35,216 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:33:35,217 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:33:35,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 16:33:35,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 16:33:35,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:33:35,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:33:35,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:33:35,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:33:35,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:33:35,221 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 16:33:35,221 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 16:33:35,221 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 16:33:35,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:33:35,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:33:35,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:33:35,223 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:33:35,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:33:35,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:33:35,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:33:35,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:33:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:33:35,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:33:35,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:33:35,224 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:33:35,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:33:35,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:33:35,225 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:33:35,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:33:35,225 INFO L153 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_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-12-02 16:33:35,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:33:35,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:33:35,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:33:35,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:33:35,496 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:33:35,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-12-02 16:33:38,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:33:38,501 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:33:38,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-12-02 16:33:38,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/9a7a0253a/7f907d2f5d64460aa9d37d22c34843c0/FLAG85d5ab10c [2023-12-02 16:33:38,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/9a7a0253a/7f907d2f5d64460aa9d37d22c34843c0 [2023-12-02 16:33:38,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:33:38,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:33:38,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:38,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:33:38,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:33:38,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:38" (1/1) ... [2023-12-02 16:33:38,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cc8063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:38, skipping insertion in model container [2023-12-02 16:33:38,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:38" (1/1) ... [2023-12-02 16:33:38,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:33:39,047 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-12-02 16:33:39,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53c50fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:39, skipping insertion in model container [2023-12-02 16:33:39,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:39,049 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 16:33:39,050 INFO L158 Benchmark]: Toolchain (without parser) took 500.54ms. Allocated memory is still 195.0MB. Free memory was 165.6MB in the beginning and 150.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:33:39,051 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:33:39,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.03ms. Allocated memory is still 195.0MB. Free memory was 165.6MB in the beginning and 150.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:33:39,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.03ms. Allocated memory is still 195.0MB. Free memory was 165.6MB in the beginning and 150.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:33:40,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:33:40,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-12-02 16:33:40,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:33:40,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:33:40,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:33:40,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:33:40,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:33:40,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:33:40,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:33:40,925 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:33:40,925 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:33:40,926 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:33:40,927 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:33:40,927 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:33:40,928 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:33:40,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 16:33:40,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 16:33:40,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:33:40,930 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:33:40,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:33:40,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:33:40,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:33:40,932 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 16:33:40,932 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 16:33:40,933 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 16:33:40,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:33:40,933 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:33:40,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:33:40,934 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:33:40,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:33:40,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:33:40,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:33:40,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:33:40,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:33:40,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:33:40,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:33:40,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:33:40,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:33:40,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:33:40,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:33:40,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:33:40,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:33:40,938 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:33:40,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:33:40,938 INFO L153 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_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-12-02 16:33:41,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:33:41,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:33:41,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:33:41,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:33:41,309 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:33:41,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-12-02 16:33:44,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:33:44,395 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:33:44,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-12-02 16:33:44,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/011c98c1e/a2e2ec1fb70f4239b9462bb45ddaecdc/FLAG23b87c296 [2023-12-02 16:33:44,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aed594a-e8e3-4ce2-bb18-4ee84d024f76/bin/utaipan-verify-nQ1chXbOIh/data/011c98c1e/a2e2ec1fb70f4239b9462bb45ddaecdc [2023-12-02 16:33:44,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:33:44,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:33:44,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:44,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:33:44,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:33:44,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:44" (1/1) ... [2023-12-02 16:33:44,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be14c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:44, skipping insertion in model container [2023-12-02 16:33:44,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:44" (1/1) ... [2023-12-02 16:33:44,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:33:45,113 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-12-02 16:33:45,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7aad0e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:45, skipping insertion in model container [2023-12-02 16:33:45,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:45,114 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 16:33:45,116 INFO L158 Benchmark]: Toolchain (without parser) took 680.80ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 55.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 16:33:45,116 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:33:45,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.64ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 55.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 16:33:45,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.64ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 55.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN