./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 [2023-11-24 23:57:40,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:40,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:57:40,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:40,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:40,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:40,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:40,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:40,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:40,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:40,761 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:40,763 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:40,763 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:40,764 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:40,765 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:40,765 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:40,766 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:40,766 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:40,766 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:40,767 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:40,767 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:40,768 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:40,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:40,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:40,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:40,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:40,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:40,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:40,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:40,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:40,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:40,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:57:40,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:57:40,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:40,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:40,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:40,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:40,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:40,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:40,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:40,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:40,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:40,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:40,776 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:40,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:40,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:40,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:40,777 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:40,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:40,777 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_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-11-24 23:57:41,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:41,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:41,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:41,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:41,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:41,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-24 23:57:44,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:44,758 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:44,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-24 23:57:44,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/004e22db4/11653ef3c4084adeab1719170deb67bc/FLAGa20558766 [2023-11-24 23:57:44,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/004e22db4/11653ef3c4084adeab1719170deb67bc [2023-11-24 23:57:44,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:44,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:44,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:44,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:44,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:44,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:44" (1/1) ... [2023-11-24 23:57:44,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c86c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:44, skipping insertion in model container [2023-11-24 23:57:44,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:44" (1/1) ... [2023-11-24 23:57:44,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:45,762 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-11-24 23:57:45,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c0cf306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45, skipping insertion in model container [2023-11-24 23:57:45,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:45,764 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:57:45,766 INFO L158 Benchmark]: Toolchain (without parser) took 962.17ms. Allocated memory is still 144.7MB. Free memory was 98.5MB in the beginning and 82.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,767 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 64.4MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:45,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.36ms. Allocated memory is still 144.7MB. Free memory was 98.5MB in the beginning and 82.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 64.6MB in the beginning and 64.4MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.36ms. Allocated memory is still 144.7MB. Free memory was 98.5MB in the beginning and 82.6MB in the end (delta: 15.9MB). 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 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_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 [2023-11-24 23:57:48,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:48,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:48,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:48,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:48,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:48,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:48,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:48,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:48,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:48,579 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:48,580 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:48,580 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:48,582 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:48,583 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:48,583 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:48,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:48,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:48,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:48,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:48,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:48,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:48,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:48,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:48,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:48,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:48,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:57:48,591 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:48,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:57:48,592 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:48,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:48,594 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:48,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:48,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:48,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:48,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:48,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:48,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:48,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:48,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:48,598 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:48,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:48,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:48,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:48,600 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:48,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:48,601 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_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-11-24 23:57:49,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:49,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:49,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:49,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:49,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:49,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-24 23:57:52,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:52,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:52,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-24 23:57:52,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/06efb8985/7fc32e33a2c14d2fbea7dca299150f07/FLAG898a5e726 [2023-11-24 23:57:52,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be128dc5-fc72-4f9e-8100-ed532ec451b7/bin/utaipan-verify-SwPr7d2a91/data/06efb8985/7fc32e33a2c14d2fbea7dca299150f07 [2023-11-24 23:57:52,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:52,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:52,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:52,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:52,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:52,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:52" (1/1) ... [2023-11-24 23:57:52,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b23bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:52, skipping insertion in model container [2023-11-24 23:57:52,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:52" (1/1) ... [2023-11-24 23:57:52,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:53,603 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-11-24 23:57:53,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@687c0169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53, skipping insertion in model container [2023-11-24 23:57:53,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:53,605 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:57:53,607 INFO L158 Benchmark]: Toolchain (without parser) took 935.81ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 80.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:53,608 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:53,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 932.83ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 80.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:53,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 932.83ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 80.0MB in the end (delta: 16.5MB). 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