./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml --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 ...................................................................................................................................... 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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml --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 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:35,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:35,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:35,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:35,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:35,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:35,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:35,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:35,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:35,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:35,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:35,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:35,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:35,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:35,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:35,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:35,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:35,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:35,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:35,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:35,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:35,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:35,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:35,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:35,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:35,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:35,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:35,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:35,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:35,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:35,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:35,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:35,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:35,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:35,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:35,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:35,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:35,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:35,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:35,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:35,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:35,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:35,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:35,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:35,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:35,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:35,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:35,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:35,479 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:35,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:35,480 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:35,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:35,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:35,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:35,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:35,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:35,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:35,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:35,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:35,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:35,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:35,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:35,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:35,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:35,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:35,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:35,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:35,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:35,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:35,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:35,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:35,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:35,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:35,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:35,489 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:35,489 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:35,490 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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-29 02:49:35,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:35,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:35,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:35,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:35,792 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:35,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 02:49:35,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/e18a529f4/4ccf98498c714d04bf9b8f2051144238/FLAG27d4f3695 [2021-10-29 02:49:36,773 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:36,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 02:49:36,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/e18a529f4/4ccf98498c714d04bf9b8f2051144238/FLAG27d4f3695 [2021-10-29 02:49:37,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/e18a529f4/4ccf98498c714d04bf9b8f2051144238 [2021-10-29 02:49:37,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:37,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:37,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:37,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:37,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b67d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:37,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:37,814 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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-29 02:49:41,797 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:49:41,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d9c064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:41, skipping insertion in model container [2021-10-29 02:49:41,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:41,801 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:49:41,804 INFO L168 Benchmark]: Toolchain (without parser) took 4603.22 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.8 MB in the beginning and 73.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:41,806 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:41,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4599.40 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.8 MB in the beginning and 73.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:41,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4599.40 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.8 MB in the beginning and 73.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 32.8 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 [2021-10-29 02:49:44,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:44,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:44,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:44,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:44,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:44,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:44,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:44,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:44,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:44,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:44,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:44,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:44,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:44,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:44,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:44,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:44,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:44,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:44,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:44,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:44,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:44,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:44,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:44,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:44,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:44,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:44,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:44,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:44,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:44,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:44,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:44,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:44,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:44,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:44,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:44,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:44,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:44,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:44,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:44,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:44,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-29 02:49:44,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:44,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:44,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:44,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:44,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:44,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:44,342 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:44,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:44,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:44,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:44,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:44,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:44,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:44,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:44,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:49:44,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:49:44,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:44,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:44,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:44,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:44,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:44,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:44,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:44,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:44,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:44,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:44,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:44,348 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-29 02:49:44,349 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:49:44,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:44,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:44,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:44,350 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:44,350 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:44,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:49:44,351 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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-29 02:49:44,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:44,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:44,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:44,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:44,769 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:44,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 02:49:44,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/579107253/eef66bee9cfc4e448e05cc928f30e7d8/FLAG34ece43b8 [2021-10-29 02:49:45,826 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:45,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-29 02:49:45,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/579107253/eef66bee9cfc4e448e05cc928f30e7d8/FLAG34ece43b8 [2021-10-29 02:49:46,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/bin/ugemcutter-riF8PgGdml/data/579107253/eef66bee9cfc4e448e05cc928f30e7d8 [2021-10-29 02:49:46,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:46,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:46,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:46,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:46,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:46,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:46" (1/1) ... [2021-10-29 02:49:46,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b56cb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:46, skipping insertion in model container [2021-10-29 02:49:46,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:46" (1/1) ... [2021-10-29 02:49:46,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:46,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:46,789 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_e5c3b23a-a40a-419c-90d2-80aa848c4c4d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-29 02:49:50,133 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:49:50,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15b24411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:50, skipping insertion in model container [2021-10-29 02:49:50,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:50,135 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:49:50,137 INFO L168 Benchmark]: Toolchain (without parser) took 3900.38 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.2 MB in the beginning and 40.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:50,138 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:50,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3898.14 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.0 MB in the beginning and 40.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:50,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3898.14 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.0 MB in the beginning and 40.3 MB in the end (delta: -11.3 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...