./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/TaipanReach.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_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/TaipanReach.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_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:29:27,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:29:27,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:29:27,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:29:27,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:29:27,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:29:27,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:29:27,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:29:27,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:29:27,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:29:27,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:29:27,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:29:27,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:29:27,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:29:27,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:29:27,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:29:27,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:29:27,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:29:27,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:29:27,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:29:27,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:29:27,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:29:27,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:29:27,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:29:27,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:29:27,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:29:27,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:29:27,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:29:27,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:29:27,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:29:27,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:29:27,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:29:27,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:29:27,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:29:27,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:29:27,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:29:27,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:29:27,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:29:27,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:29:27,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:29:27,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:29:27,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:29:27,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:29:27,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:29:27,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:29:27,897 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:29:27,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:29:27,898 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:29:27,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:29:27,898 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:29:27,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:29:27,907 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:29:27,908 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:29:27,909 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:29:27,909 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:29:27,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:29:27,910 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:29:27,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:29:27,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:29:27,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:29:27,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:29:27,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:29:27,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:29:27,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:29:27,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:29:27,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:29:27,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:29:27,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:29:27,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:29:27,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:29:27,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:29:27,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:29:27,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:29:27,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:29:27,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:29:27,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:29:27,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:29:27,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:29:27,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:29:27,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:29:27,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:29:27,922 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-16 02:29:28,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:29:28,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:29:28,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:29:28,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:29:28,300 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:29:28,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 02:29:28,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/ec53bd4c1/8a007e20bfe4488d8cc557d44a081919/FLAGf087a4a29 [2021-10-16 02:29:29,415 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:29:29,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 02:29:29,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/ec53bd4c1/8a007e20bfe4488d8cc557d44a081919/FLAGf087a4a29 [2021-10-16 02:29:29,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/ec53bd4c1/8a007e20bfe4488d8cc557d44a081919 [2021-10-16 02:29:29,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:29:29,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:29:29,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:29:29,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:29:29,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:29:29,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:29" (1/1) ... [2021-10-16 02:29:29,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4182b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:29, skipping insertion in model container [2021-10-16 02:29:29,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:29" (1/1) ... [2021-10-16 02:29:29,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:29:30,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:29:30,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-16 02:29:34,433 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 02:29:34,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6847e190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:34, skipping insertion in model container [2021-10-16 02:29:34,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:29:34,434 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:29:34,436 INFO L168 Benchmark]: Toolchain (without parser) took 4591.16 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 42.5 MB in the beginning and 75.1 MB in the end (delta: -32.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:29:34,436 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:29:34,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4588.29 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 42.3 MB in the beginning and 75.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:29:34,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4588.29 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 42.3 MB in the beginning and 75.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:29:36,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:29:36,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:29:37,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:29:37,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:29:37,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:29:37,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:29:37,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:29:37,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:29:37,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:29:37,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:29:37,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:29:37,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:29:37,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:29:37,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:29:37,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:29:37,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:29:37,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:29:37,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:29:37,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:29:37,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:29:37,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:29:37,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:29:37,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:29:37,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:29:37,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:29:37,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:29:37,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:29:37,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:29:37,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:29:37,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:29:37,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:29:37,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:29:37,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:29:37,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:29:37,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:29:37,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:29:37,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:29:37,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:29:37,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:29:37,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:29:37,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:29:37,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:29:37,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:29:37,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:29:37,128 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:29:37,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:29:37,128 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:29:37,128 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:29:37,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:29:37,129 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:29:37,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:29:37,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:29:37,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:29:37,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:29:37,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:29:37,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:29:37,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:29:37,132 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:29:37,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:29:37,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:29:37,132 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:29:37,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:29:37,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:29:37,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:29:37,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:29:37,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:29:37,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:29:37,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:29:37,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:29:37,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:29:37,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:29:37,135 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:29:37,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:29:37,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:29:37,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:29:37,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:29:37,136 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_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-16 02:29:37,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:29:37,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:29:37,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:29:37,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:29:37,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:29:37,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 02:29:37,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/e560486c9/84019f7e17ff406fbed0f0b1203d8338/FLAG8aebc1393 [2021-10-16 02:29:38,711 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:29:38,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 02:29:38,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/e560486c9/84019f7e17ff406fbed0f0b1203d8338/FLAG8aebc1393 [2021-10-16 02:29:39,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/bin/utaipan-mTDlp9Zugs/data/e560486c9/84019f7e17ff406fbed0f0b1203d8338 [2021-10-16 02:29:39,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:29:39,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:29:39,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:29:39,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:29:39,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:29:39,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:39" (1/1) ... [2021-10-16 02:29:39,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1faead47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:39, skipping insertion in model container [2021-10-16 02:29:39,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:29:39" (1/1) ... [2021-10-16 02:29:39,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:29:39,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:29:39,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2252d9fe-9916-48b5-b257-604cd2df0ae2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-16 02:29:43,572 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 02:29:43,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d5228b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:29:43, skipping insertion in model container [2021-10-16 02:29:43,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:29:43,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:29:43,576 INFO L168 Benchmark]: Toolchain (without parser) took 4486.61 ms. Allocated memory is still 75.5 MB. Free memory was 42.8 MB in the beginning and 35.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:29:43,576 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:29:43,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4481.26 ms. Allocated memory is still 75.5 MB. Free memory was 42.6 MB in the beginning and 35.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:29:43,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4481.26 ms. Allocated memory is still 75.5 MB. Free memory was 42.6 MB in the beginning and 35.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...