./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.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_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:57:21,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:57:21,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:57:21,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:57:21,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:57:21,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:57:21,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:57:21,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:57:21,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:57:21,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:57:21,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:57:21,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:57:21,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:57:21,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:57:21,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:57:21,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:57:21,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:57:21,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:57:21,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:57:21,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:57:21,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:57:21,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:57:21,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:57:21,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:57:21,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:57:21,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:57:21,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:57:21,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:57:21,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:57:21,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:57:21,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:57:21,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:57:21,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:57:21,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:57:21,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:57:21,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:57:21,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:57:21,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:57:21,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:57:21,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:57:21,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:57:21,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 10:57:21,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:57:21,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:57:21,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:57:21,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:57:21,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:57:21,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:57:21,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:57:21,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:57:21,751 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:57:21,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:57:21,751 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:57:21,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:57:21,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:57:21,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:57:21,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:57:21,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:57:21,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:57:21,753 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:57:21,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:57:21,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:57:21,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:57:21,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:57:21,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:57:21,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:57:21,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:57:21,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:57:21,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:57:21,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:57:21,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:57:21,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:57:21,762 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:57:21,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:57:21,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:57:21,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-16 10:57:22,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:57:22,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:57:22,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:57:22,174 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:57:22,175 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:57:22,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 10:57:22,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/39842dd8c/4b74d16902d74ee3bbb05238c4fd85c9/FLAGd28bd7985 [2022-11-16 10:57:23,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:57:23,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 10:57:23,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/39842dd8c/4b74d16902d74ee3bbb05238c4fd85c9/FLAGd28bd7985 [2022-11-16 10:57:23,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/39842dd8c/4b74d16902d74ee3bbb05238c4fd85c9 [2022-11-16 10:57:23,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:57:23,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:57:23,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:23,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:57:23,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:57:23,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:23" (1/1) ... [2022-11-16 10:57:23,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f7169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:23, skipping insertion in model container [2022-11-16 10:57:23,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:23" (1/1) ... [2022-11-16 10:57:23,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:57:23,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:57:24,426 WARN L229 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_82360583-46df-458d-abca-1c64daba6c95/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-16 10:57:28,757 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 10:57:28,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b8ca8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:28, skipping insertion in model container [2022-11-16 10:57:28,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:28,762 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 10:57:28,764 INFO L158 Benchmark]: Toolchain (without parser) took 4988.59ms. Allocated memory is still 127.9MB. Free memory was 83.1MB in the beginning and 94.7MB in the end (delta: -11.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-16 10:57:28,766 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:57:28,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4980.58ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 94.7MB in the end (delta: -11.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-16 10:57:28,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4980.58ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 94.7MB in the end (delta: -11.8MB). Peak memory consumption was 26.7MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.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_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:57:31,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:57:31,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:57:31,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:57:31,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:57:31,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:57:31,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:57:31,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:57:31,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:57:31,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:57:31,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:57:31,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:57:31,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:57:31,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:57:31,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:57:31,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:57:31,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:57:31,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:57:31,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:57:31,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:57:31,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:57:31,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:57:31,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:57:31,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:57:31,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:57:31,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:57:31,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:57:31,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:57:31,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:57:31,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:57:31,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:57:31,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:57:31,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:57:31,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:57:31,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:57:31,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:57:31,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:57:31,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:57:31,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:57:31,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:57:31,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:57:31,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 10:57:31,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:57:31,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:57:31,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:57:31,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:57:31,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:57:31,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:57:31,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:57:31,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:57:31,466 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:57:31,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:57:31,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:57:31,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:57:31,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:57:31,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:57:31,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:57:31,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:57:31,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 10:57:31,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 10:57:31,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 10:57:31,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:57:31,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:57:31,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:57:31,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:57:31,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:57:31,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:57:31,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:57:31,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:57:31,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:57:31,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:57:31,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:57:31,474 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 10:57:31,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 10:57:31,475 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:57:31,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:57:31,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:57:31,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 10:57:31,476 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_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-16 10:57:31,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:57:32,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:57:32,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:57:32,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:57:32,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:57:32,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 10:57:32,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/5cb36f170/f8e57fee4fd846c39f5ae938db2e2865/FLAGd418c9d7c [2022-11-16 10:57:33,117 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:57:33,118 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 10:57:33,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/5cb36f170/f8e57fee4fd846c39f5ae938db2e2865/FLAGd418c9d7c [2022-11-16 10:57:33,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82360583-46df-458d-abca-1c64daba6c95/bin/uautomizer-tPACEb0tL8/data/5cb36f170/f8e57fee4fd846c39f5ae938db2e2865 [2022-11-16 10:57:33,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:57:33,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:57:33,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:33,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:57:33,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:57:33,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:33" (1/1) ... [2022-11-16 10:57:33,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d84525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:33, skipping insertion in model container [2022-11-16 10:57:33,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:33" (1/1) ... [2022-11-16 10:57:33,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:57:33,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:57:34,214 WARN L229 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_82360583-46df-458d-abca-1c64daba6c95/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-16 10:57:37,994 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 10:57:37,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fee1e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:37, skipping insertion in model container [2022-11-16 10:57:37,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:37,995 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 10:57:37,997 INFO L158 Benchmark]: Toolchain (without parser) took 4453.40ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 45.6MB in the end (delta: -7.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-16 10:57:37,998 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:57:37,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4449.08ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 45.6MB in the end (delta: -7.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-16 10:57:38,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4449.08ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 45.6MB in the end (delta: -7.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN