./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:11,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:11,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:11,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:11,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:11,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:11,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:11,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:11,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:11,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:11,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:11,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:11,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:11,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:11,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:11,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:11,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:11,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:11,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:11,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:11,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:11,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:11,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:11,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:11,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:11,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:11,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:11,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:11,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:11,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:11,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:11,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:11,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:11,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:11,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:11,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:11,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:11,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:11,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:11,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:11,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:11,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:43:11,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:11,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:11,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:11,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:11,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:11,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:11,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:11,916 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:11,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:11,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:11,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:43:11,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:11,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:11,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:11,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:11,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:11,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:11,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:11,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:11,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:11,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:11,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:11,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:43:11,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:11,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:11,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:11,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:11,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:11,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:43:11,922 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:11,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:43:11,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:11,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:11,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:11,923 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:11,924 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:11,924 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_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-07 09:43:12,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:12,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:12,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:12,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:12,213 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:12,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-07 09:43:12,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/ca07ba78d/018df5d66f6b4425ac1aa4090cacc6a2/FLAG7afdd94d3 [2021-12-07 09:43:13,258 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:13,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-07 09:43:13,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/ca07ba78d/018df5d66f6b4425ac1aa4090cacc6a2/FLAG7afdd94d3 [2021-12-07 09:43:13,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/ca07ba78d/018df5d66f6b4425ac1aa4090cacc6a2 [2021-12-07 09:43:13,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:13,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:13,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:13,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:13,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:13,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:13" (1/1) ... [2021-12-07 09:43:13,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d4dea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:13, skipping insertion in model container [2021-12-07 09:43:13,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:13" (1/1) ... [2021-12-07 09:43:13,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:14,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:14,464 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_97ce1e19-52e3-4227-a9aa-ed214c4958f1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-12-07 09:43:17,132 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:43:17,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@303d150c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:17, skipping insertion in model container [2021-12-07 09:43:17,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:17,132 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:43:17,134 INFO L158 Benchmark]: Toolchain (without parser) took 3309.22ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 98.3MB in the end (delta: -45.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-12-07 09:43:17,135 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:17,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3302.22ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 52.3MB in the beginning and 98.3MB in the end (delta: -45.9MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-12-07 09:43:17,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3302.22ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 52.3MB in the beginning and 98.3MB in the end (delta: -45.9MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:19,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:19,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:19,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:19,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:19,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:19,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:19,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:19,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:19,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:19,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:19,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:19,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:19,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:19,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:19,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:19,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:19,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:19,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:19,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:19,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:19,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:19,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:19,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:19,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:19,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:19,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:19,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:19,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:19,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:19,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:19,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:19,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:19,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:19,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:19,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:19,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:19,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:19,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:19,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:19,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:19,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-12-07 09:43:19,324 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:19,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:19,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:19,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:19,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:19,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:19,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:19,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:19,327 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:19,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:19,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:19,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:19,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:19,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:19,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:19,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:19,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 09:43:19,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 09:43:19,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:19,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:19,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:19,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:19,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:19,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:19,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:19,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:19,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:19,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:19,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:19,331 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 09:43:19,331 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:19,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:19,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 09:43:19,333 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_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-07 09:43:19,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:19,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:19,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:19,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:19,698 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:19,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-07 09:43:19,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/f7724b637/627e85a677b345ffa7993bc9659c1fc3/FLAG84ae24664 [2021-12-07 09:43:20,743 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:20,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-07 09:43:20,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/f7724b637/627e85a677b345ffa7993bc9659c1fc3/FLAG84ae24664 [2021-12-07 09:43:21,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ce1e19-52e3-4227-a9aa-ed214c4958f1/bin/ugemcutter-YQQFZV6HUA/data/f7724b637/627e85a677b345ffa7993bc9659c1fc3 [2021-12-07 09:43:21,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:21,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:21,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:21,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:21,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:21,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:21" (1/1) ... [2021-12-07 09:43:21,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0735b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:21, skipping insertion in model container [2021-12-07 09:43:21,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:21" (1/1) ... [2021-12-07 09:43:21,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:21,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:21,864 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_97ce1e19-52e3-4227-a9aa-ed214c4958f1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-12-07 09:43:24,564 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:43:24,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bf44dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:24, skipping insertion in model container [2021-12-07 09:43:24,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:24,565 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:43:24,567 INFO L158 Benchmark]: Toolchain (without parser) took 3285.91ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 22.9MB in the beginning and 49.2MB in the end (delta: -26.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-07 09:43:24,567 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:24,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3281.95ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 22.8MB in the beginning and 49.2MB in the end (delta: -26.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-07 09:43:24,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3281.95ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 22.8MB in the beginning and 49.2MB in the end (delta: -26.4MB). Peak memory consumption was 17.5MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN