./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:19:01,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:01,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:01,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:01,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:01,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:01,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:01,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:01,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:01,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:01,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:01,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:01,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:01,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:01,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:01,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:01,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:01,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:01,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:01,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:01,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:01,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:01,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:01,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:01,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:01,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:01,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:01,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:01,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:01,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:01,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:01,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:01,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:01,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:01,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:01,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:01,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:01,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:01,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:01,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:01,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:01,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:19:01,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:01,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:01,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:01,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:01,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:01,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:01,706 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:01,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:01,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:19:01,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:19:01,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:19:01,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:01,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:19:01,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:19:01,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:19:01,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:19:01,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:01,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:01,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:19:01,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:01,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:01,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:19:01,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:19:01,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:01,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:19:01,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:19:01,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:19:01,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:19:01,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:19:01,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:19:01,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:19:01,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:01,717 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_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-28 23:19:02,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:02,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:02,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:02,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:02,128 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:02,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-28 23:19:02,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/a45a2687f/83fd8c93301c41ab9fc5d1ce9c1b975b/FLAG7c27378ee [2021-10-28 23:19:03,385 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:03,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-28 23:19:03,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/a45a2687f/83fd8c93301c41ab9fc5d1ce9c1b975b/FLAG7c27378ee [2021-10-28 23:19:03,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/a45a2687f/83fd8c93301c41ab9fc5d1ce9c1b975b [2021-10-28 23:19:03,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:03,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:03,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:03,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:03,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:03,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:03" (1/1) ... [2021-10-28 23:19:03,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b1c3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:03, skipping insertion in model container [2021-10-28 23:19:03,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:03" (1/1) ... [2021-10-28 23:19:03,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:03,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:04,455 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_1a105d84-aae6-4cf5-a245-8884d7ee8010/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-28 23:19:10,313 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 23:19:10,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47e48a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:10, skipping insertion in model container [2021-10-28 23:19:10,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:10,316 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:19:10,319 INFO L168 Benchmark]: Toolchain (without parser) took 6656.14 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 45.0 MB in the beginning and 74.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:10,323 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:10,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6651.07 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 44.7 MB in the beginning and 74.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:10,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6651.07 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 44.7 MB in the beginning and 74.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:19:12,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:12,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:13,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:13,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:13,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:13,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:13,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:13,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:13,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:13,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:13,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:13,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:13,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:13,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:13,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:13,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:13,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:13,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:13,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:13,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:13,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:13,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:13,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:13,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:13,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:13,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:13,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:13,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:13,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:13,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:13,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:13,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:13,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:13,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:13,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:13,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:13,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:13,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:13,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:13,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:13,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:19:13,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:13,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:13,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:13,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:13,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:13,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:13,121 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:13,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:13,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:19:13,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:19:13,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:13,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:19:13,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:19:13,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:19:13,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:19:13,125 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:19:13,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:19:13,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:13,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:13,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:19:13,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:13,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:13,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:19:13,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:19:13,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:13,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:19:13,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:19:13,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:19:13,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:19:13,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:19:13,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:19:13,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:19:13,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:13,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:19:13,131 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_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-28 23:19:13,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:13,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:13,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:13,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:13,624 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:13,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-28 23:19:13,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/4c02a9694/b5340329719b40e099bdbcc098c23bf2/FLAGbab9d058d [2021-10-28 23:19:14,866 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:14,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-28 23:19:14,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/4c02a9694/b5340329719b40e099bdbcc098c23bf2/FLAGbab9d058d [2021-10-28 23:19:15,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a105d84-aae6-4cf5-a245-8884d7ee8010/bin/uautomizer-GMMbpWq8iD/data/4c02a9694/b5340329719b40e099bdbcc098c23bf2 [2021-10-28 23:19:15,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:15,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:15,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:15,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:15,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:15,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:15" (1/1) ... [2021-10-28 23:19:15,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad2f443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:15, skipping insertion in model container [2021-10-28 23:19:15,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:15" (1/1) ... [2021-10-28 23:19:15,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:15,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:16,043 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_1a105d84-aae6-4cf5-a245-8884d7ee8010/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-28 23:19:20,431 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 23:19:20,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7da986cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:20, skipping insertion in model container [2021-10-28 23:19:20,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:20,434 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:19:20,437 INFO L168 Benchmark]: Toolchain (without parser) took 5132.46 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 50.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:20,438 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:20,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5127.20 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 50.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:20,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5127.20 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 50.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...