./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d --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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:46:47,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:46:47,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:46:48,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:46:48,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:46:48,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:46:48,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:46:48,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:46:48,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:46:48,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:46:48,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:46:48,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:46:48,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:46:48,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:46:48,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:46:48,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:46:48,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:46:48,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:46:48,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:46:48,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:46:48,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:46:48,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:46:48,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:46:48,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:46:48,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:46:48,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:46:48,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:46:48,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:46:48,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:46:48,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:46:48,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:46:48,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:46:48,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:46:48,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:46:48,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:46:48,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:46:48,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:46:48,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:46:48,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:46:48,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:46:48,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:46:48,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:46:48,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:46:48,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:46:48,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:46:48,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:46:48,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:46:48,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:46:48,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:46:48,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:46:48,182 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:46:48,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:46:48,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:46:48,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:46:48,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:46:48,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:46:48,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:46:48,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:46:48,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:46:48,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:46:48,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:46:48,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:46:48,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:46:48,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:46:48,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:46:48,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:46:48,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:46:48,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:46:48,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:46:48,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:46:48,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:46:48,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:46:48,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:46:48,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:46:48,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:46:48,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:46:48,191 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:46:48,191 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:46:48,191 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_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-20 07:46:48,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:46:48,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:46:48,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:46:48,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:46:48,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:46:48,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-20 07:46:48,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/5f6787f3f/fa9a927ddcc54a6d91bd0e3de5b443d7/FLAGd4ae29d62 [2021-11-20 07:46:49,443 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:46:49,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-20 07:46:49,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/5f6787f3f/fa9a927ddcc54a6d91bd0e3de5b443d7/FLAGd4ae29d62 [2021-11-20 07:46:49,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/5f6787f3f/fa9a927ddcc54a6d91bd0e3de5b443d7 [2021-11-20 07:46:49,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:46:49,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:46:49,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:49,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:46:49,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:46:49,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:49" (1/1) ... [2021-11-20 07:46:49,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bb2dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:49, skipping insertion in model container [2021-11-20 07:46:49,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:49" (1/1) ... [2021-11-20 07:46:49,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:46:50,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:46:50,459 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_131a8024-c62d-470a-b83c-11de5b1cdc28/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-20 07:46:54,601 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:46:54,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60e3c456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:54, skipping insertion in model container [2021-11-20 07:46:54,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:54,602 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:46:54,605 INFO L158 Benchmark]: Toolchain (without parser) took 4689.82ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.7MB in the beginning and 65.7MB in the end (delta: -6.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-20 07:46:54,605 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:46:54,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4687.52ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 65.7MB in the end (delta: -6.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-20 07:46:54,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4687.52ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 65.7MB in the end (delta: -6.3MB). Peak memory consumption was 29.2MB. 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_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d --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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:46:56,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:46:56,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:46:56,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:46:56,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:46:56,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:46:56,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:46:56,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:46:56,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:46:56,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:46:56,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:46:56,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:46:56,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:46:56,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:46:56,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:46:56,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:46:56,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:46:56,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:46:56,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:46:56,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:46:56,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:46:56,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:46:56,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:46:56,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:46:56,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:46:56,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:46:56,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:46:56,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:46:56,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:46:56,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:46:56,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:46:56,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:46:56,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:46:56,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:46:56,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:46:56,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:46:56,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:46:56,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:46:56,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:46:56,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:46:56,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:46:56,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:46:57,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:46:57,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:46:57,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:46:57,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:46:57,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:46:57,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:46:57,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:46:57,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:46:57,017 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:46:57,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:46:57,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:46:57,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:46:57,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:46:57,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:46:57,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:46:57,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:46:57,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:46:57,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:46:57,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:46:57,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:46:57,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:46:57,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:46:57,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:46:57,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:46:57,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:46:57,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:46:57,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:46:57,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:46:57,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:46:57,025 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:46:57,025 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:46:57,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:46:57,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:46:57,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:46:57,026 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:46:57,027 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:46:57,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:46:57,027 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_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-20 07:46:57,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:46:57,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:46:57,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:46:57,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:46:57,460 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:46:57,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-20 07:46:57,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/babd7db04/d7e13cc52d4f40b4b74873c776735940/FLAG8a6d0bb9f [2021-11-20 07:46:58,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:46:58,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-20 07:46:58,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/babd7db04/d7e13cc52d4f40b4b74873c776735940/FLAG8a6d0bb9f [2021-11-20 07:46:58,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131a8024-c62d-470a-b83c-11de5b1cdc28/bin/ugemcutter-b9s2R6iq4d/data/babd7db04/d7e13cc52d4f40b4b74873c776735940 [2021-11-20 07:46:58,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:46:58,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:46:58,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:58,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:46:58,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:46:58,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:58" (1/1) ... [2021-11-20 07:46:58,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b239cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:58, skipping insertion in model container [2021-11-20 07:46:58,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:58" (1/1) ... [2021-11-20 07:46:58,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:46:58,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:46:59,126 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_131a8024-c62d-470a-b83c-11de5b1cdc28/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-20 07:47:02,967 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:47:02,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11cd8e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:02, skipping insertion in model container [2021-11-20 07:47:02,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:02,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:47:02,971 INFO L158 Benchmark]: Toolchain (without parser) took 4427.11ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.7MB in the beginning and 42.4MB in the end (delta: -6.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-20 07:47:02,971 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:02,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4424.86ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.5MB in the beginning and 42.4MB in the end (delta: -6.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-20 07:47:02,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4424.86ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 35.5MB in the beginning and 42.4MB in the end (delta: -6.9MB). Peak memory consumption was 29.1MB. 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