./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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-e04fb08 [2022-11-15 21:01:22,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 21:01:22,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 21:01:22,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 21:01:22,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 21:01:22,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 21:01:22,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 21:01:22,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 21:01:22,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 21:01:22,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 21:01:22,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 21:01:22,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 21:01:22,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 21:01:22,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 21:01:22,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 21:01:22,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 21:01:22,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 21:01:22,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 21:01:22,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 21:01:22,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 21:01:22,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 21:01:22,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 21:01:22,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 21:01:22,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 21:01:22,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 21:01:22,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 21:01:22,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 21:01:22,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 21:01:22,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 21:01:22,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 21:01:22,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 21:01:22,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 21:01:22,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 21:01:22,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 21:01:22,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 21:01:22,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 21:01:22,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 21:01:22,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 21:01:22,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 21:01:22,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 21:01:22,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 21:01:22,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-15 21:01:23,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 21:01:23,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 21:01:23,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 21:01:23,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 21:01:23,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 21:01:23,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 21:01:23,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 21:01:23,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 21:01:23,043 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 21:01:23,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 21:01:23,044 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 21:01:23,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 21:01:23,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 21:01:23,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 21:01:23,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 21:01:23,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 21:01:23,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 21:01:23,046 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 21:01:23,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 21:01:23,047 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 21:01:23,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 21:01:23,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 21:01:23,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 21:01:23,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 21:01:23,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 21:01:23,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 21:01:23,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 21:01:23,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 21:01:23,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 21:01:23,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 21:01:23,051 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-15 21:01:23,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 21:01:23,053 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 21:01:23,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 21:01:23,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 21:01:23,053 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 21:01:23,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 21:01:23,054 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_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-15 21:01:23,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 21:01:23,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 21:01:23,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 21:01:23,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 21:01:23,365 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 21:01:23,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-15 21:01:23,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/715439bd8/cd37ea3f52e5457fa1470c3d495068ff/FLAGb348862da [2022-11-15 21:01:24,263 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 21:01:24,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-15 21:01:24,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/715439bd8/cd37ea3f52e5457fa1470c3d495068ff/FLAGb348862da [2022-11-15 21:01:24,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/715439bd8/cd37ea3f52e5457fa1470c3d495068ff [2022-11-15 21:01:24,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 21:01:24,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-15 21:01:24,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 21:01:24,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 21:01:24,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 21:01:24,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:01:24" (1/1) ... [2022-11-15 21:01:24,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b0a4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:01:24, skipping insertion in model container [2022-11-15 21:01:24,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:01:24" (1/1) ... [2022-11-15 21:01:24,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 21:01:24,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 21:01:25,349 WARN L229 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_36122140-0bc2-4e62-9032-5b698bd8d189/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-15 21:01:28,754 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-15 21:01:28,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33c82505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:01:28, skipping insertion in model container [2022-11-15 21:01:28,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 21:01:28,755 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-15 21:01:28,757 INFO L158 Benchmark]: Toolchain (without parser) took 3945.62ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 99.3MB in the end (delta: -12.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-15 21:01:28,758 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-15 21:01:28,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3941.90ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 99.3MB in the end (delta: -12.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-15 21:01:28,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3941.90ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 99.3MB in the end (delta: -12.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf 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_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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-e04fb08 [2022-11-15 21:01:30,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 21:01:30,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 21:01:30,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 21:01:30,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 21:01:30,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 21:01:30,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 21:01:30,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 21:01:30,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 21:01:30,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 21:01:30,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 21:01:30,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 21:01:30,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 21:01:30,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 21:01:30,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 21:01:30,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 21:01:30,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 21:01:30,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 21:01:30,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 21:01:30,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 21:01:30,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 21:01:30,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 21:01:30,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 21:01:30,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 21:01:30,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 21:01:30,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 21:01:30,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 21:01:30,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 21:01:30,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 21:01:30,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 21:01:30,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 21:01:30,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 21:01:30,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 21:01:30,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 21:01:30,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 21:01:30,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 21:01:30,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 21:01:30,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 21:01:30,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 21:01:30,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 21:01:30,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 21:01:30,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2022-11-15 21:01:30,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 21:01:30,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 21:01:30,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 21:01:30,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 21:01:30,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 21:01:30,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 21:01:30,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 21:01:30,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 21:01:30,959 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 21:01:30,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 21:01:30,959 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 21:01:30,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 21:01:30,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 21:01:30,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 21:01:30,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 21:01:30,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 21:01:30,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-15 21:01:30,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-15 21:01:30,961 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 21:01:30,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 21:01:30,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 21:01:30,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 21:01:30,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 21:01:30,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 21:01:30,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 21:01:30,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 21:01:30,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 21:01:30,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 21:01:30,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 21:01:30,965 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-15 21:01:30,965 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-15 21:01:30,965 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-15 21:01:30,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 21:01:30,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 21:01:30,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 21:01:30,966 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 21:01:30,966 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 21:01:30,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 21:01:30,967 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_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-15 21:01:31,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 21:01:31,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 21:01:31,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 21:01:31,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 21:01:31,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 21:01:31,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-15 21:01:31,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/cffbe6b99/446a6f31fd1d4ebc9c908e66e2590eee/FLAGad31b6900 [2022-11-15 21:01:32,291 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 21:01:32,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-15 21:01:32,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/cffbe6b99/446a6f31fd1d4ebc9c908e66e2590eee/FLAGad31b6900 [2022-11-15 21:01:32,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36122140-0bc2-4e62-9032-5b698bd8d189/bin/ugemcutter-0EfhiD2kp6/data/cffbe6b99/446a6f31fd1d4ebc9c908e66e2590eee [2022-11-15 21:01:32,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 21:01:32,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-15 21:01:32,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 21:01:32,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 21:01:32,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 21:01:32,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:01:32" (1/1) ... [2022-11-15 21:01:32,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11592f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:01:32, skipping insertion in model container [2022-11-15 21:01:32,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:01:32" (1/1) ... [2022-11-15 21:01:32,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 21:01:33,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 21:01:33,484 WARN L229 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_36122140-0bc2-4e62-9032-5b698bd8d189/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-15 21:01:36,621 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-15 21:01:36,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20ab7473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:01:36, skipping insertion in model container [2022-11-15 21:01:36,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 21:01:36,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-15 21:01:36,625 INFO L158 Benchmark]: Toolchain (without parser) took 3761.69ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 41.9MB in the end (delta: -915.8kB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-15 21:01:36,625 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-15 21:01:36,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3757.84ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 40.8MB in the beginning and 41.9MB in the end (delta: -1.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-15 21:01:36,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3757.84ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 40.8MB in the beginning and 41.9MB in the end (delta: -1.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf 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