./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 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.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_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:21:05,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:21:05,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:21:05,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:21:05,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:21:05,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:21:05,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:21:05,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:21:05,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:21:05,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:21:05,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:21:05,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:21:05,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:21:05,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:21:05,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:21:05,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:21:05,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:21:05,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:21:05,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:21:05,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:21:05,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:21:05,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:21:05,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:21:05,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:21:05,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:21:05,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:21:05,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:21:05,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:21:05,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:21:05,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:21:05,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:21:05,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:21:05,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:21:05,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:21:05,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:21:05,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:21:05,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:21:05,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:21:05,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:21:05,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:21:05,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:21:05,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:21:05,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:21:05,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:21:05,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:21:05,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:21:05,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:21:05,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:21:05,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:21:05,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:21:05,701 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:21:05,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:21:05,702 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:21:05,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:21:05,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:21:05,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:21:05,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:21:05,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:21:05,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:21:05,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:21:05,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:21:05,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:21:05,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:21:05,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:21:05,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:21:05,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:21:05,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:21:05,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:21:05,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:21:05,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:21:05,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:21:05,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:21:05,710 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:21:05,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:21:05,711 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:21:05,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:21:05,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:21:05,712 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:21:05,712 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:21:05,712 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_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-23 14:21:06,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:21:06,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:21:06,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:21:06,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:21:06,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:21:06,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 14:21:06,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/e75c1a517/e2e8e1e819a54b77bcb7e4ba0499e241/FLAG0ef30e15e [2021-11-23 14:21:07,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:21:07,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 14:21:07,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/e75c1a517/e2e8e1e819a54b77bcb7e4ba0499e241/FLAG0ef30e15e [2021-11-23 14:21:07,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/e75c1a517/e2e8e1e819a54b77bcb7e4ba0499e241 [2021-11-23 14:21:07,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:21:07,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:21:07,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:07,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:21:07,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:21:07,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:07" (1/1) ... [2021-11-23 14:21:07,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16752ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:07, skipping insertion in model container [2021-11-23 14:21:07,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:07" (1/1) ... [2021-11-23 14:21:07,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:21:07,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:21:08,353 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_4fd80b43-6019-49c3-af25-75718a8a48e3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-23 14:21:13,085 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 14:21:13,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77238b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:13, skipping insertion in model container [2021-11-23 14:21:13,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:13,087 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 14:21:13,090 INFO L158 Benchmark]: Toolchain (without parser) took 5441.35ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 76.0MB in the end (delta: -17.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 14:21:13,091 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:21:13,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5437.63ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 58.8MB in the beginning and 76.0MB in the end (delta: -17.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 14:21:13,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5437.63ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 58.8MB in the beginning and 76.0MB in the end (delta: -17.3MB). Peak memory consumption was 36.6MB. 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 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_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.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_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:21:15,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:21:15,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:21:16,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:21:16,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:21:16,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:21:16,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:21:16,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:21:16,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:21:16,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:21:16,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:21:16,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:21:16,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:21:16,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:21:16,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:21:16,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:21:16,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:21:16,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:21:16,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:21:16,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:21:16,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:21:16,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:21:16,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:21:16,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:21:16,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:21:16,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:21:16,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:21:16,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:21:16,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:21:16,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:21:16,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:21:16,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:21:16,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:21:16,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:21:16,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:21:16,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:21:16,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:21:16,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:21:16,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:21:16,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:21:16,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:21:16,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-23 14:21:16,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:21:16,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:21:16,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:21:16,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:21:16,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:21:16,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:21:16,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:21:16,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:21:16,161 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:21:16,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:21:16,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:21:16,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:21:16,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:21:16,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:21:16,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:21:16,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:21:16,164 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 14:21:16,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 14:21:16,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:21:16,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:21:16,165 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:21:16,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:21:16,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:21:16,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:21:16,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:21:16,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:21:16,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:21:16,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:21:16,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:21:16,168 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 14:21:16,168 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:21:16,169 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 14:21:16,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:21:16,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:21:16,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:21:16,170 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:21:16,170 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:21:16,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 14:21:16,171 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_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-23 14:21:16,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:21:16,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:21:16,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:21:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:21:16,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:21:16,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 14:21:16,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/a1389c177/f07f7e6dd5ae44ecb97dc39d2b1c5a0c/FLAG060b811ea [2021-11-23 14:21:18,200 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:21:18,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 14:21:18,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/a1389c177/f07f7e6dd5ae44ecb97dc39d2b1c5a0c/FLAG060b811ea [2021-11-23 14:21:18,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd80b43-6019-49c3-af25-75718a8a48e3/bin/ugemcutter-aZbSL5k0Dw/data/a1389c177/f07f7e6dd5ae44ecb97dc39d2b1c5a0c [2021-11-23 14:21:18,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:21:18,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:21:18,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:18,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:21:18,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:21:18,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:18" (1/1) ... [2021-11-23 14:21:18,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af07ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18, skipping insertion in model container [2021-11-23 14:21:18,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:18" (1/1) ... [2021-11-23 14:21:18,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:21:18,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:21:19,081 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_4fd80b43-6019-49c3-af25-75718a8a48e3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-23 14:21:22,927 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 14:21:22,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cf63c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:22, skipping insertion in model container [2021-11-23 14:21:22,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:22,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 14:21:22,932 INFO L158 Benchmark]: Toolchain (without parser) took 4491.87ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 58.0MB in the end (delta: 9.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2021-11-23 14:21:22,933 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 90.2MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:21:22,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4488.55ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 58.0MB in the end (delta: 8.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 14:21:22,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 90.2MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4488.55ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 58.0MB in the end (delta: 8.7MB). Peak memory consumption was 36.6MB. 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