./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7 --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ...................................................................................................................................... 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_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7 --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:24:29,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:29,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:29,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:29,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:29,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:29,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:29,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:29,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:29,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:29,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:29,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:29,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:29,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:29,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:29,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:29,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:29,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:29,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:29,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:29,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:29,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:29,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:29,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:29,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:29,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:29,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:29,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:29,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:29,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:29,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:29,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:29,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:29,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:29,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:29,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:29,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:29,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:29,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:29,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:29,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:29,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:24:29,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:29,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:29,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:29,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:29,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:29,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:29,262 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:29,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:29,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:29,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:24:29,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:29,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:29,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:29,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:29,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:29,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:29,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:29,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:29,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:29,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:29,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:29,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:24:29,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:29,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:29,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:29,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:29,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:29,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:24:29,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:24:29,267 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:29,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:29,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:29,268 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:29,268 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:29,269 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_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-16 01:24:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:29,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:29,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:29,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:29,596 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:29,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-16 01:24:29,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/b35da1588/f8acb5eb4b104bc89c7d4c97ff70515b/FLAG34318c286 [2021-10-16 01:24:30,447 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:30,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-16 01:24:30,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/b35da1588/f8acb5eb4b104bc89c7d4c97ff70515b/FLAG34318c286 [2021-10-16 01:24:30,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/b35da1588/f8acb5eb4b104bc89c7d4c97ff70515b [2021-10-16 01:24:30,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:30,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:30,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:30,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:30,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:30,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:30" (1/1) ... [2021-10-16 01:24:30,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55920349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:30, skipping insertion in model container [2021-10-16 01:24:30,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:30" (1/1) ... [2021-10-16 01:24:31,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:31,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:31,475 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_072b6e13-10d3-49fc-9881-aaf184798078/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-16 01:24:34,621 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:24:34,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e1b8c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:34, skipping insertion in model container [2021-10-16 01:24:34,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:34,622 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:24:34,625 INFO L168 Benchmark]: Toolchain (without parser) took 3647.03 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 55.3 MB in the beginning and 72.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:34,625 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:34,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3645.29 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 55.0 MB in the beginning and 72.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:34,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3645.29 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 55.0 MB in the beginning and 72.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 33.3 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-5709675 [2021-10-16 01:24:36,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:36,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:36,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:36,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:36,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:36,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:36,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:36,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:36,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:36,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:36,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:37,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:37,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:37,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:37,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:37,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:37,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:37,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:37,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:37,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:37,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:37,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:37,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:37,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:37,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:37,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:37,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:37,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:37,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:37,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:37,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:37,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:37,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:37,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:37,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:37,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:37,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:37,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:37,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:37,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:37,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-16 01:24:37,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:37,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:37,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:37,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:37,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:37,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:37,118 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:37,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:37,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:37,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:37,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:37,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:37,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:37,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:37,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:24:37,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:24:37,121 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:37,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:37,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:37,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:37,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:37,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:37,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:37,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:37,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:37,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:37,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:37,124 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-16 01:24:37,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:24:37,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:37,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:37,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:37,125 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:37,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:37,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:24:37,126 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_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-16 01:24:37,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:37,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:37,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:37,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:37,507 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:37,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-16 01:24:37,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/d5e5d91dd/c505846330294305b584d6bec23181eb/FLAGb66e8912d [2021-10-16 01:24:38,516 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:38,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-16 01:24:38,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/d5e5d91dd/c505846330294305b584d6bec23181eb/FLAGb66e8912d [2021-10-16 01:24:39,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072b6e13-10d3-49fc-9881-aaf184798078/bin/ugemcutter-qKN3xmkmp7/data/d5e5d91dd/c505846330294305b584d6bec23181eb [2021-10-16 01:24:39,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:39,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:39,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:39,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:39,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:39,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:39" (1/1) ... [2021-10-16 01:24:39,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b4d2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:39, skipping insertion in model container [2021-10-16 01:24:39,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:39" (1/1) ... [2021-10-16 01:24:39,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:39,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:39,628 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_072b6e13-10d3-49fc-9881-aaf184798078/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-16 01:24:44,005 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:24:44,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15523faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:44, skipping insertion in model container [2021-10-16 01:24:44,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:44,007 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:24:44,009 INFO L168 Benchmark]: Toolchain (without parser) took 4950.50 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 42.5 MB in the beginning and 45.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:44,010 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:44,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4947.93 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 45.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:44,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4947.93 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 45.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 21.3 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...