./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/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_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:52,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:52,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:52,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:52,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:52,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:52,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:52,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:52,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:52,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:52,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:52,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:52,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:52,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:52,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:52,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:52,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:52,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:52,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:52,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:52,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:52,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:52,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:52,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:52,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:52,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:52,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:52,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:52,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:52,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:52,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:52,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:52,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:52,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:52,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:52,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:52,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:52,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:52,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:52,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:52,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:52,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:03:52,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:52,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:52,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:52,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:52,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:52,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:52,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:52,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:52,735 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:52,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:52,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:52,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:03:52,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:52,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:52,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:52,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:52,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:52,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:52,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:52,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:52,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:52,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:52,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:52,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:03:52,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:52,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:52,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:52,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:52,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:52,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:03:52,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:03:52,748 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:52,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:52,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:52,748 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:52,749 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:52,750 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_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-22 23:03:53,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:53,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:53,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:53,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:53,044 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:53,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-22 23:03:53,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/b7c4a21e4/4df0546010674751acf8f3904fea876c/FLAG46d391e2c [2021-11-22 23:03:54,005 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:54,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-22 23:03:54,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/b7c4a21e4/4df0546010674751acf8f3904fea876c/FLAG46d391e2c [2021-11-22 23:03:54,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/b7c4a21e4/4df0546010674751acf8f3904fea876c [2021-11-22 23:03:54,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:54,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:54,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:54,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:54,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:54,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:54" (1/1) ... [2021-11-22 23:03:54,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124d06c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:54, skipping insertion in model container [2021-11-22 23:03:54,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:54" (1/1) ... [2021-11-22 23:03:54,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:54,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:55,087 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_5553f504-3c9b-4569-97b9-43c5c32ce37d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-22 23:03:59,636 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:03:59,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@484ff129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:59, skipping insertion in model container [2021-11-22 23:03:59,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:59,638 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:03:59,640 INFO L158 Benchmark]: Toolchain (without parser) took 5174.96ms. Allocated memory is still 107.0MB. Free memory was 77.3MB in the beginning and 64.1MB in the end (delta: 13.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-22 23:03:59,641 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:03:59,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5172.66ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 64.1MB in the end (delta: 13.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-11-22 23:03:59,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5172.66ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 64.1MB in the end (delta: 13.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/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_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:04:01,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:04:01,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:04:02,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:04:02,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:04:02,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:04:02,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:04:02,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:04:02,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:04:02,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:04:02,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:04:02,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:04:02,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:04:02,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:04:02,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:04:02,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:04:02,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:04:02,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:04:02,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:04:02,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:04:02,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:04:02,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:04:02,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:04:02,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:04:02,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:04:02,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:04:02,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:04:02,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:04:02,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:04:02,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:04:02,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:04:02,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:04:02,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:04:02,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:04:02,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:04:02,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:04:02,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:04:02,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:04:02,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:04:02,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:04:02,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:04:02,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-22 23:04:02,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:04:02,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:04:02,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:04:02,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:04:02,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:04:02,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:04:02,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:04:02,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:04:02,108 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:04:02,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:04:02,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:04:02,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:04:02,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:04:02,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:04:02,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:04:02,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:04:02,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:04:02,111 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:04:02,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:04:02,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:04:02,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:04:02,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:04:02,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:04:02,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:04:02,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:04:02,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:02,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:04:02,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:04:02,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:04:02,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 23:04:02,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:04:02,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:04:02,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:04:02,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:04:02,115 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:04:02,116 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:04:02,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:04:02,116 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_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-22 23:04:02,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:04:02,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:04:02,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:04:02,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:04:02,543 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:04:02,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-22 23:04:02,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/431c9cb9b/b17cd42fb58847379ccc4de603354cc2/FLAGafcee57b4 [2021-11-22 23:04:03,651 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:04:03,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-22 23:04:03,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/431c9cb9b/b17cd42fb58847379ccc4de603354cc2/FLAGafcee57b4 [2021-11-22 23:04:04,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5553f504-3c9b-4569-97b9-43c5c32ce37d/bin/ugemcutter-lIJgRBJBxA/data/431c9cb9b/b17cd42fb58847379ccc4de603354cc2 [2021-11-22 23:04:04,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:04:04,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:04:04,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:04,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:04:04,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:04:04,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:04" (1/1) ... [2021-11-22 23:04:04,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d83836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:04, skipping insertion in model container [2021-11-22 23:04:04,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:04" (1/1) ... [2021-11-22 23:04:04,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:04:04,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:04:04,608 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_5553f504-3c9b-4569-97b9-43c5c32ce37d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-22 23:04:07,816 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:04:07,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aef5ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:07, skipping insertion in model container [2021-11-22 23:04:07,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:07,817 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:04:07,820 INFO L158 Benchmark]: Toolchain (without parser) took 3732.55ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 37.3MB in the beginning and 36.4MB in the end (delta: 920.3kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:07,820 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:04:07,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3729.80ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 36.4MB in the end (delta: 768.3kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:07,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3729.80ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 36.4MB in the end (delta: 768.3kB). Peak memory consumption was 26.6MB. 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