./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:54:02,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:54:02,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:54:02,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:54:02,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:54:02,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:54:02,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:54:02,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:54:02,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:54:02,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:54:02,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:54:02,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:54:02,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:54:02,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:54:02,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:54:02,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:54:02,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:54:02,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:54:02,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:54:02,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:54:02,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:54:02,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:54:02,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:54:02,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:54:02,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:54:02,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:54:02,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:54:02,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:54:02,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:54:02,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:54:02,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:54:02,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:54:02,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:54:02,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:54:02,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:54:02,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:54:02,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:54:02,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:54:02,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:54:02,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:54:02,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:54:02,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:54:02,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:54:02,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:54:02,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:54:02,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:54:02,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:54:02,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:54:02,677 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:54:02,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:54:02,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:54:02,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:54:02,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:54:02,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:54:02,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:54:02,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:54:02,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:54:02,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:54:02,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:54:02,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:54:02,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:54:02,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:54:02,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:54:02,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:54:02,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:54:02,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:54:02,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:54:02,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:54:02,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:54:02,682 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_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-21 19:54:02,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:54:02,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:54:02,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:54:02,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:54:02,972 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:54:02,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-21 19:54:03,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/0a1453483/bdb8cf14a4b0431abcfe4bb9db80e26f/FLAGd6d90a7c4 [2021-10-21 19:54:03,953 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:54:03,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-21 19:54:04,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/0a1453483/bdb8cf14a4b0431abcfe4bb9db80e26f/FLAGd6d90a7c4 [2021-10-21 19:54:04,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/0a1453483/bdb8cf14a4b0431abcfe4bb9db80e26f [2021-10-21 19:54:04,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:54:04,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:54:04,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:04,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:54:04,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:54:04,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:04" (1/1) ... [2021-10-21 19:54:04,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d62059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:04, skipping insertion in model container [2021-10-21 19:54:04,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:04" (1/1) ... [2021-10-21 19:54:04,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:54:04,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:54:05,081 WARN L228 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_4a44605f-d320-4e31-b8ac-dc84a175973b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-21 19:54:08,945 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-21 19:54:08,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1514a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08, skipping insertion in model container [2021-10-21 19:54:08,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:08,946 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 19:54:08,948 INFO L168 Benchmark]: Toolchain (without parser) took 4543.63 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 53.1 MB in the beginning and 74.5 MB in the end (delta: -21.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:08,949 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 86.0 MB. Free memory was 61.7 MB in the beginning and 61.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:54:08,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4538.89 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 52.9 MB in the beginning and 74.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:08,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 86.0 MB. Free memory was 61.7 MB in the beginning and 61.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4538.89 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 52.9 MB in the beginning and 74.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:54:11,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:54:11,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:54:11,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:54:11,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:54:11,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:54:11,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:54:11,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:54:11,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:54:11,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:54:11,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:54:11,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:54:11,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:54:11,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:54:11,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:54:11,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:54:11,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:54:11,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:54:11,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:54:11,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:54:11,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:54:11,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:54:11,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:54:11,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:54:11,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:54:11,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:54:11,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:54:11,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:54:11,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:54:11,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:54:11,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:54:11,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:54:11,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:54:11,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:54:11,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:54:11,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:54:11,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:54:11,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:54:11,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:54:11,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:54:11,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:54:11,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:54:11,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:54:11,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:54:11,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:54:11,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:54:11,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:54:11,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:54:11,316 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:54:11,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:54:11,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:54:11,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:54:11,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:54:11,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:54:11,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:54:11,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:54:11,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:54:11,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:54:11,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:54:11,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:54:11,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:54:11,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:54:11,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:54:11,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:54:11,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:54:11,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:54:11,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:54:11,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:54:11,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:54:11,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:54:11,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:54:11,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:54:11,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:54:11,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:54:11,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:54:11,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:54:11,322 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_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-21 19:54:11,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:54:11,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:54:11,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:54:11,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:54:11,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:54:11,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-21 19:54:11,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/8dd46e444/04126ebb6db44c86a398d566eabeecdb/FLAGecb7ccd96 [2021-10-21 19:54:12,685 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:54:12,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-21 19:54:12,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/8dd46e444/04126ebb6db44c86a398d566eabeecdb/FLAGecb7ccd96 [2021-10-21 19:54:13,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a44605f-d320-4e31-b8ac-dc84a175973b/bin/uautomizer-j4sWxH34Be/data/8dd46e444/04126ebb6db44c86a398d566eabeecdb [2021-10-21 19:54:13,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:54:13,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:54:13,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:13,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:54:13,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:54:13,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:13" (1/1) ... [2021-10-21 19:54:13,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee6fd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:13, skipping insertion in model container [2021-10-21 19:54:13,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:13" (1/1) ... [2021-10-21 19:54:13,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:54:13,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:54:13,647 WARN L228 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_4a44605f-d320-4e31-b8ac-dc84a175973b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-21 19:54:16,911 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-21 19:54:16,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c9c7ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:16, skipping insertion in model container [2021-10-21 19:54:16,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:16,912 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 19:54:16,916 INFO L168 Benchmark]: Toolchain (without parser) took 3819.99 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.4 MB in the beginning and 56.5 MB in the end (delta: -23.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:16,917 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:54:16,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3816.18 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.2 MB in the beginning and 56.5 MB in the end (delta: -23.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:16,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3816.18 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.2 MB in the beginning and 56.5 MB in the end (delta: -23.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * 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...