./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ........................................................................................................................................... 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_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ....................................................................................................................................... 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 07:39:42,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:42,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:42,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:42,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:42,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:42,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:42,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:42,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:42,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:42,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:42,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:42,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:42,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:42,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:42,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:42,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:42,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:42,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:42,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:42,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:42,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:42,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:42,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:42,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:42,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:42,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:42,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:42,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:42,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:42,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:42,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:42,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:42,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:42,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:42,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:42,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:42,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:42,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:42,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:42,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:42,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:42,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:42,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:42,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:42,633 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:42,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:42,633 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:42,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:42,634 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:42,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:42,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:42,635 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:42,635 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:42,636 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:42,636 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:42,636 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:42,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:42,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:42,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:42,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:42,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:42,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:42,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:42,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:42,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:42,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:42,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:42,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:42,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:42,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:42,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:42,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:42,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:42,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:42,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:42,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:42,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:42,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:42,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:42,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:42,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:42,644 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_3e8c253f-c024-4e75-badc-bcd010d24dd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-28 07:39:42,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:42,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:42,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:42,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:42,978 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:42,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 07:39:43,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a53a8957c/35b99aba81b54ef8b40dff33e834cf2b/FLAG80f870339 [2020-11-28 07:39:43,867 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:43,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 07:39:43,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a53a8957c/35b99aba81b54ef8b40dff33e834cf2b/FLAG80f870339 [2020-11-28 07:39:44,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a53a8957c/35b99aba81b54ef8b40dff33e834cf2b [2020-11-28 07:39:44,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:44,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:44,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:44,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:44,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:44,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:44" (1/1) ... [2020-11-28 07:39:44,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512a79e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:44, skipping insertion in model container [2020-11-28 07:39:44,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:44" (1/1) ... [2020-11-28 07:39:44,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:44,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:48,190 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:39:48,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64b238bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:48, skipping insertion in model container [2020-11-28 07:39:48,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:48,191 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:48,194 INFO L168 Benchmark]: Toolchain (without parser) took 3772.06 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 67.4 MB in the beginning and 100.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:48,194 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:48,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3764.59 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 100.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:48,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3764.59 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 100.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 32.4 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 07:39:50,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:50,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:50,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:50,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:50,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:50,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:50,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:50,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:50,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:50,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:50,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:50,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:50,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:50,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:50,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:50,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:50,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:50,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:50,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:50,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:50,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:50,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:50,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:50,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:50,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:50,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:50,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:50,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:50,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:50,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:50,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:50,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:50,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:50,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:50,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:50,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:50,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:50,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:50,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:50,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:50,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:50,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:50,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:50,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:50,691 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:50,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:50,692 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:50,692 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:50,692 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:50,692 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:50,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:50,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:50,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:50,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:50,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:50,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:50,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:50,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:50,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:50,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:50,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:50,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:50,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:50,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:50,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:50,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:50,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:50,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:50,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:50,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:50,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:50,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:50,698 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:50,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:50,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:50,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:50,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:50,699 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_3e8c253f-c024-4e75-badc-bcd010d24dd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-28 07:39:51,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:51,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:51,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:51,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:51,120 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:51,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 07:39:51,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a568ef4d9/e4589b2234664954b1f65ef84b196491/FLAG5e2bc728f [2020-11-28 07:39:52,241 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:52,242 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 07:39:52,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a568ef4d9/e4589b2234664954b1f65ef84b196491/FLAG5e2bc728f [2020-11-28 07:39:52,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e8c253f-c024-4e75-badc-bcd010d24dd3/bin/utaipan/data/a568ef4d9/e4589b2234664954b1f65ef84b196491 [2020-11-28 07:39:52,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:52,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:52,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:52,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:52,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:52,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:52" (1/1) ... [2020-11-28 07:39:52,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e30f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:52, skipping insertion in model container [2020-11-28 07:39:52,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:52" (1/1) ... [2020-11-28 07:39:52,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:52,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:56,822 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:39:56,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b2f5fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56, skipping insertion in model container [2020-11-28 07:39:56,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:56,824 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:56,826 INFO L168 Benchmark]: Toolchain (without parser) took 4247.90 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 26.4 MB in the beginning and 50.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:56,827 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:56,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4242.36 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 26.2 MB in the beginning and 50.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:56,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4242.36 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 26.2 MB in the beginning and 50.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 19.7 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...