./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan --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-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan --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 0.2.0-a4ecdab [2020-11-28 07:27:14,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:14,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:14,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:14,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:14,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:14,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:14,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:14,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:14,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:14,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:14,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:14,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:14,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:14,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:14,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:14,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:14,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:14,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:14,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:14,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:14,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:14,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:14,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:14,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:14,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:14,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:14,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:14,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:14,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:14,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:14,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:14,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:14,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:14,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:14,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:14,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:14,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:14,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:14,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:14,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:14,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:27:14,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:14,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:14,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:14,900 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:14,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:14,901 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:14,901 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:27:14,901 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:14,901 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:14,901 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:27:14,902 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:27:14,902 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:14,902 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:27:14,902 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:27:14,903 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:27:14,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:14,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:27:14,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:27:14,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:27:14,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:14,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:27:14,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:14,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:27:14,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:14,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:27:14,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:27:14,907 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:14,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:27:14,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:14,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:14,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:14,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:14,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:14,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:14,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:27:14,911 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:27:14,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:27:14,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:27:14,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:14,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:14,912 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-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 07:27:15,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:15,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:15,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:15,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:15,221 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:15,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 07:27:15,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/5c0d063d9/cc4edb1e52e24e8b9b99b3bd6c07bff1/FLAG8c2f1cfc3 [2020-11-28 07:27:16,046 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:16,046 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 07:27:16,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/5c0d063d9/cc4edb1e52e24e8b9b99b3bd6c07bff1/FLAG8c2f1cfc3 [2020-11-28 07:27:16,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/5c0d063d9/cc4edb1e52e24e8b9b99b3bd6c07bff1 [2020-11-28 07:27:16,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:16,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:16,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:16,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:16,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:16,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:16" (1/1) ... [2020-11-28 07:27:16,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3081fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:16, skipping insertion in model container [2020-11-28 07:27:16,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:16" (1/1) ... [2020-11-28 07:27:16,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:16,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:19,788 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:27:19,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2390f84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:19, skipping insertion in model container [2020-11-28 07:27:19,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:19,790 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:27:19,793 INFO L168 Benchmark]: Toolchain (without parser) took 3656.41 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 57.6 MB in the beginning and 61.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:19,795 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:19,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3650.53 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 57.6 MB in the beginning and 61.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:19,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3650.53 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 57.6 MB in the beginning and 61.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 38.7 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 0.2.0-a4ecdab [2020-11-28 07:27:22,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:22,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:22,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:22,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:22,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:22,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:22,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:22,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:22,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:22,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:22,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:22,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:22,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:22,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:22,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:22,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:22,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:22,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:22,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:22,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:22,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:22,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:22,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:22,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:22,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:22,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:22,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:22,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:22,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:22,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:22,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:22,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:22,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:22,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:22,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:22,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:22,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:22,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:22,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:22,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:22,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:27:22,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:22,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:22,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:22,310 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:22,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:22,311 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:22,311 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:22,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:22,312 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:22,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:22,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:27:22,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:27:22,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:22,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:27:22,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:22,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:27:22,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:22,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:27:22,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:27:22,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:27:22,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:27:22,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:22,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:27:22,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:22,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:27:22,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:22,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:22,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:22,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:22,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:22,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:27:22,324 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:27:22,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:27:22,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:27:22,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:22,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:22,326 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-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 07:27:22,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:22,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:22,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:22,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:22,762 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:22,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 07:27:22,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/c4cd356ef/7585a59e0c6c417b886992d7b8e0e332/FLAGc277c0939 [2020-11-28 07:27:23,686 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:23,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 07:27:23,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/c4cd356ef/7585a59e0c6c417b886992d7b8e0e332/FLAGc277c0939 [2020-11-28 07:27:24,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bebf12fc-824a-4a49-9358-18a072ca13ab/bin/utaipan/data/c4cd356ef/7585a59e0c6c417b886992d7b8e0e332 [2020-11-28 07:27:24,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:24,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:24,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:24,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:24,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:24,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:24" (1/1) ... [2020-11-28 07:27:24,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55498811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:24, skipping insertion in model container [2020-11-28 07:27:24,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:24" (1/1) ... [2020-11-28 07:27:24,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:24,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:28,160 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:27:28,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@275514f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:28, skipping insertion in model container [2020-11-28 07:27:28,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:28,162 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:27:28,164 INFO L168 Benchmark]: Toolchain (without parser) took 3935.25 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.3 MB in the beginning and 33.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:28,165 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:28,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3930.62 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.1 MB in the beginning and 33.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:28,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3930.62 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.1 MB in the beginning and 33.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 14.6 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...