./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/KojakReach.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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:19:53,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:19:53,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:19:53,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:19:53,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:19:53,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:19:53,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:19:53,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:19:53,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:19:53,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:19:53,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:19:53,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:19:53,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:19:53,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:19:53,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:19:53,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:19:53,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:19:53,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:19:53,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:19:53,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:19:53,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:19:53,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:19:54,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:19:54,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:19:54,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:19:54,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:19:54,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:19:54,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:19:54,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:19:54,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:19:54,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:19:54,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:19:54,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:19:54,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:19:54,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:19:54,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:19:54,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:19:54,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:19:54,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:19:54,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:19:54,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:19:54,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:19:54,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:19:54,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:19:54,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:19:54,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:19:54,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:19:54,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:19:54,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:19:54,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:19:54,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:19:54,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:19:54,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:19:54,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:19:54,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:19:54,082 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:19:54,082 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:19:54,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:19:54,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:54,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:19:54,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:19:54,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:19:54,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:19:54,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:19:54,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:19:54,084 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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-23 01:19:54,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:19:54,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:19:54,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:19:54,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:19:54,522 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:19:54,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 01:19:54,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/27fff375e/be4943f91cbd47cba5b6227d3c37ebfa/FLAG7fdecc8e0 [2021-11-23 01:19:55,696 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:19:55,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 01:19:55,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/27fff375e/be4943f91cbd47cba5b6227d3c37ebfa/FLAG7fdecc8e0 [2021-11-23 01:19:56,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/27fff375e/be4943f91cbd47cba5b6227d3c37ebfa [2021-11-23 01:19:56,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:19:56,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:19:56,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:56,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:19:56,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:19:56,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:56" (1/1) ... [2021-11-23 01:19:56,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8bc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:56, skipping insertion in model container [2021-11-23 01:19:56,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:56" (1/1) ... [2021-11-23 01:19:56,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:19:56,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:19:56,737 WARN L230 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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 01:20:00,424 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 01:20:00,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e7e8ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:00, skipping insertion in model container [2021-11-23 01:20:00,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:00,426 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:20:00,430 INFO L158 Benchmark]: Toolchain (without parser) took 4375.44ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 58.5MB in the beginning and 103.6MB in the end (delta: -45.1MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 01:20:00,432 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:00,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4371.82ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 58.3MB in the beginning and 103.6MB in the end (delta: -45.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 01:20:00,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4371.82ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 58.3MB in the beginning and 103.6MB in the end (delta: -45.3MB). Peak memory consumption was 15.4MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/KojakReach.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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:03,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:03,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:03,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:03,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:03,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:03,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:03,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:03,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:03,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:03,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:03,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:03,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:03,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:03,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:03,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:03,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:03,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:03,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:03,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:03,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:03,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:03,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:03,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:03,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:03,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:03,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:03,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:03,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:03,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:03,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:03,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:03,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:03,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:03,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:03,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:03,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:03,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:03,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:03,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:03,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:03,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:20:03,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:03,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:03,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:20:03,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:20:03,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:03,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:03,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:03,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:03,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:03,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:03,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:20:03,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:03,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:20:03,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:20:03,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:20:03,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:20:03,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:03,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:20:03,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:03,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:20:03,266 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:03,266 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:03,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:03,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:03,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:03,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:03,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:20:03,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:20:03,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:20:03,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:20:03,268 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:20:03,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:20:03,269 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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-23 01:20:03,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:03,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:03,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:03,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:03,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:03,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 01:20:03,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/9485dffb5/a105961b66dc4b2e917d9511fe745dbb/FLAGaa958e617 [2021-11-23 01:20:04,948 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:04,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 01:20:05,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/9485dffb5/a105961b66dc4b2e917d9511fe745dbb/FLAGaa958e617 [2021-11-23 01:20:05,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4071b2a-b549-4006-8d3e-0ec9db73ce81/bin/ukojak-LBtLqBUTdQ/data/9485dffb5/a105961b66dc4b2e917d9511fe745dbb [2021-11-23 01:20:05,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:05,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:05,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:05,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:05,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:05,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:05" (1/1) ... [2021-11-23 01:20:05,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b255bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:05, skipping insertion in model container [2021-11-23 01:20:05,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:05" (1/1) ... [2021-11-23 01:20:05,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:05,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:06,080 WARN L230 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_a4071b2a-b549-4006-8d3e-0ec9db73ce81/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 01:20:09,649 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 01:20:09,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d84377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:09, skipping insertion in model container [2021-11-23 01:20:09,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:09,651 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:20:09,653 INFO L158 Benchmark]: Toolchain (without parser) took 4292.60ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 40.2MB in the end (delta: -12.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 01:20:09,654 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:09,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4287.90ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 40.2MB in the end (delta: -12.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 01:20:09,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4287.90ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 40.2MB in the end (delta: -12.8MB). Peak memory consumption was 17.0MB. 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