./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:27:29,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:27:29,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:27:29,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:27:29,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:27:29,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:27:29,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:27:29,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:27:29,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:27:29,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:27:29,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:27:29,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:27:29,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:27:29,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:27:29,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:27:29,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:27:29,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:27:29,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:27:29,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:27:29,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:27:29,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:27:29,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:27:29,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:27:29,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:27:29,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:27:29,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:27:29,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:27:29,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:27:29,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:27:29,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:27:29,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:27:29,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:27:29,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:27:29,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:27:29,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:27:29,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:27:29,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:27:29,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:27:29,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:27:29,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:27:29,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:27:29,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:27:29,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:27:29,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:27:29,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:27:29,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:27:29,797 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:27:29,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:27:29,798 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:27:29,798 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:27:29,805 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:27:29,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:27:29,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:27:29,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:27:29,807 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:27:29,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:27:29,807 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:27:29,807 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:27:29,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:27:29,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:27:29,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:27:29,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:27:29,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:27:29,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:27:29,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:27:29,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:27:29,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:27:29,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:27:29,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:27:29,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:27:29,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:27:29,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:27:29,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:27:29,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:27:29,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:27:29,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:27:29,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:27:29,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:27:29,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:27:29,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:27:29,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:27:29,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:27:29,815 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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-13 02:27:30,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:27:30,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:27:30,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:27:30,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:27:30,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:27:30,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-13 02:27:30,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/3d5e6e915/7624819a7786422aaa68cd10b1254f7c/FLAGa1a2ade85 [2021-11-13 02:27:31,418 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:27:31,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-13 02:27:31,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/3d5e6e915/7624819a7786422aaa68cd10b1254f7c/FLAGa1a2ade85 [2021-11-13 02:27:31,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/3d5e6e915/7624819a7786422aaa68cd10b1254f7c [2021-11-13 02:27:31,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:27:31,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:27:31,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:31,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:27:31,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:27:31,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:31" (1/1) ... [2021-11-13 02:27:31,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc84bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:31, skipping insertion in model container [2021-11-13 02:27:31,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:31" (1/1) ... [2021-11-13 02:27:31,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:27:32,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:27:32,478 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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-13 02:27:35,927 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 02:27:35,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d73ac66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:35, skipping insertion in model container [2021-11-13 02:27:35,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:35,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:27:35,931 INFO L158 Benchmark]: Toolchain (without parser) took 4109.05ms. Allocated memory was 102.8MB in the beginning and 153.1MB in the end (delta: 50.3MB). Free memory was 70.5MB in the beginning and 114.4MB in the end (delta: -44.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-13 02:27:35,931 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:27:35,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4102.66ms. Allocated memory was 102.8MB in the beginning and 153.1MB in the end (delta: 50.3MB). Free memory was 70.1MB in the beginning and 114.4MB in the end (delta: -44.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-13 02:27:35,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4102.66ms. Allocated memory was 102.8MB in the beginning and 153.1MB in the end (delta: 50.3MB). Free memory was 70.1MB in the beginning and 114.4MB in the end (delta: -44.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:27:38,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:27:38,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:27:38,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:27:38,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:27:38,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:27:38,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:27:38,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:27:38,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:27:38,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:27:38,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:27:38,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:27:38,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:27:38,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:27:38,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:27:38,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:27:38,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:27:38,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:27:38,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:27:38,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:27:38,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:27:38,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:27:38,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:27:38,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:27:38,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:27:38,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:27:38,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:27:38,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:27:38,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:27:38,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:27:38,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:27:38,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:27:38,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:27:38,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:27:38,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:27:38,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:27:38,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:27:38,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:27:38,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:27:38,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:27:38,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:27:38,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 02:27:38,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:27:38,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:27:38,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:27:38,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:27:38,257 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:27:38,257 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:27:38,257 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:27:38,258 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:27:38,258 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:27:38,258 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:27:38,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:27:38,259 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:27:38,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:27:38,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:27:38,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:27:38,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:27:38,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:27:38,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:27:38,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:27:38,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:27:38,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:27:38,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:27:38,261 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:27:38,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:27:38,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:27:38,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:27:38,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:27:38,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:27:38,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:27:38,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:27:38,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:27:38,263 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:27:38,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:27:38,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:27:38,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:27:38,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:27:38,264 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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-13 02:27:38,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:27:38,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:27:38,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:27:38,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:27:38,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:27:38,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-13 02:27:38,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/ab901e875/d612831a491a4ee2a42aca03f39481c9/FLAG7c89de9c4 [2021-11-13 02:27:39,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:27:39,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-13 02:27:39,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/ab901e875/d612831a491a4ee2a42aca03f39481c9/FLAG7c89de9c4 [2021-11-13 02:27:40,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/bin/utaipan-vmNK8stdcF/data/ab901e875/d612831a491a4ee2a42aca03f39481c9 [2021-11-13 02:27:40,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:27:40,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:27:40,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:40,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:27:40,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:27:40,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:40" (1/1) ... [2021-11-13 02:27:40,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58afcf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:40, skipping insertion in model container [2021-11-13 02:27:40,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:27:40" (1/1) ... [2021-11-13 02:27:40,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:27:40,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:27:40,712 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_1cf8baa5-c0e4-4e76-97d8-002d2e84619d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-13 02:27:44,107 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 02:27:44,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4502fef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:27:44, skipping insertion in model container [2021-11-13 02:27:44,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:27:44,109 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:27:44,111 INFO L158 Benchmark]: Toolchain (without parser) took 3983.25ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.2MB in the beginning and 56.0MB in the end (delta: -24.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-13 02:27:44,111 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:27:44,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3981.04ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.0MB in the beginning and 56.0MB in the end (delta: -24.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-13 02:27:44,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3981.04ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.0MB in the beginning and 56.0MB in the end (delta: -24.9MB). Peak memory consumption was 26.5MB. 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