./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:02:32,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:02:32,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:02:32,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:02:32,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:02:32,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:02:32,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:02:32,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:02:32,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:02:32,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:02:32,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:02:32,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:02:32,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:02:32,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:02:32,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:02:32,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:02:32,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:02:32,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:02:32,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:02:32,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:02:32,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:02:32,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:02:32,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:02:32,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:02:32,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:02:32,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:02:32,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:02:32,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:02:32,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:02:32,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:02:32,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:02:32,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:02:32,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:02:32,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:02:32,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:02:32,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:02:32,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:02:32,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:02:32,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:02:32,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:02:32,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:02:32,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:02:32,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:02:32,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:02:32,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:02:32,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:02:32,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:02:32,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:02:32,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:02:32,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:02:32,446 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:02:32,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:02:32,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:02:32,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:02:32,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:02:32,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:02:32,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:02:32,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:02:32,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:02:32,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:02:32,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:02:32,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:02:32,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:02:32,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:02:32,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:02:32,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:02:32,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:02:32,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:02:32,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:02:32,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:02:32,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:02:32,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:02:32,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:02:32,452 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:02:32,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:02:32,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:02:32,453 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:02:32,453 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:02:32,453 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_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-22 23:02:32,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:02:32,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:02:32,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:02:32,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:02:32,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:02:32,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-22 23:02:32,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bea63aaff/99663cbe8d9144149aae05389e8392f6/FLAG6cf71bc65 [2021-11-22 23:02:33,642 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:02:33,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-22 23:02:33,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bea63aaff/99663cbe8d9144149aae05389e8392f6/FLAG6cf71bc65 [2021-11-22 23:02:34,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bea63aaff/99663cbe8d9144149aae05389e8392f6 [2021-11-22 23:02:34,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:02:34,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:02:34,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:34,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:02:34,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:02:34,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:34" (1/1) ... [2021-11-22 23:02:34,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789a2a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:34, skipping insertion in model container [2021-11-22 23:02:34,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:34" (1/1) ... [2021-11-22 23:02:34,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:02:34,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:02:34,722 WARN L230 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_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-22 23:02:37,965 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:02:37,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d88ddc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:37, skipping insertion in model container [2021-11-22 23:02:37,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:37,966 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:02:37,968 INFO L158 Benchmark]: Toolchain (without parser) took 3783.06ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 62.1MB in the beginning and 93.1MB in the end (delta: -31.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-22 23:02:37,969 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:02:37,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3767.22ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 61.8MB in the beginning and 93.1MB in the end (delta: -31.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-22 23:02:37,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3767.22ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 61.8MB in the beginning and 93.1MB in the end (delta: -31.2MB). Peak memory consumption was 24.7MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:02:40,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:02:40,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:02:40,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:02:40,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:02:40,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:02:40,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:02:40,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:02:40,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:02:40,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:02:40,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:02:40,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:02:40,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:02:40,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:02:40,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:02:40,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:02:40,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:02:40,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:02:40,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:02:40,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:02:40,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:02:40,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:02:40,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:02:40,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:02:40,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:02:40,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:02:40,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:02:40,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:02:40,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:02:40,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:02:40,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:02:40,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:02:40,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:02:40,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:02:40,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:02:40,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:02:40,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:02:40,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:02:40,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:02:40,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:02:40,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:02:40,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-22 23:02:40,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:02:40,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:02:40,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:02:40,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:02:40,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:02:40,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:02:40,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:02:40,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:02:40,348 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:02:40,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:02:40,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:02:40,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:02:40,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:02:40,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:02:40,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:02:40,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:02:40,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:02:40,351 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:02:40,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:02:40,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:02:40,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:02:40,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:02:40,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:02:40,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:02:40,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:02:40,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:02:40,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:02:40,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:02:40,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:02:40,354 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 23:02:40,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:02:40,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:02:40,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:02:40,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:02:40,356 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:02:40,356 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:02:40,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:02:40,356 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_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-22 23:02:40,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:02:40,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:02:40,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:02:40,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:02:40,715 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:02:40,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-22 23:02:40,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bc5e62802/c02664dc2ff3418d96de4f67973503d5/FLAG3588da5cb [2021-11-22 23:02:41,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:02:41,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-22 23:02:41,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bc5e62802/c02664dc2ff3418d96de4f67973503d5/FLAG3588da5cb [2021-11-22 23:02:42,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/bin/ugemcutter-lIJgRBJBxA/data/bc5e62802/c02664dc2ff3418d96de4f67973503d5 [2021-11-22 23:02:42,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:02:42,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:02:42,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:42,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:02:42,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:02:42,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:42" (1/1) ... [2021-11-22 23:02:42,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2a93cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:42, skipping insertion in model container [2021-11-22 23:02:42,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:02:42" (1/1) ... [2021-11-22 23:02:42,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:02:42,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:02:42,757 WARN L230 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_bd13e2f5-75b1-47be-9fa9-afc10aea17e7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-22 23:02:46,049 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:02:46,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72691c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:02:46, skipping insertion in model container [2021-11-22 23:02:46,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:02:46,051 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:02:46,053 INFO L158 Benchmark]: Toolchain (without parser) took 3919.17ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 35.9MB in the beginning and 71.5MB in the end (delta: -35.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-22 23:02:46,054 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:02:46,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3915.62ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 35.8MB in the beginning and 71.5MB in the end (delta: -35.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-22 23:02:46,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3915.62ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 35.8MB in the beginning and 71.5MB in the end (delta: -35.7MB). Peak memory consumption was 15.6MB. 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