./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:16:34,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:16:34,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:16:34,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:16:34,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:16:34,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:16:34,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:16:34,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:16:34,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:16:34,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:16:34,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:16:34,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:16:34,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:16:34,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:16:34,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:16:34,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:16:34,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:16:34,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:16:34,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:16:34,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:16:34,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:16:34,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:16:34,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:16:34,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:16:34,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:16:34,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:16:34,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:16:34,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:16:34,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:16:34,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:16:34,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:16:34,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:16:34,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:16:34,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:16:34,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:16:34,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:16:34,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:16:34,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:16:34,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:16:34,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:16:34,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:16:34,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:16:34,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:16:34,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:16:34,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:16:34,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:16:34,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:16:34,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:16:34,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:16:34,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:16:34,831 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:16:34,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:16:34,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:16:34,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:16:34,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:16:34,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:16:34,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:16:34,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:16:34,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:16:34,835 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_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-06 17:16:35,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:16:35,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:16:35,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:16:35,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:16:35,037 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:16:35,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-06 17:16:35,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/0daa1e3a9/3fdbb74a24a64317b6c8025435387159/FLAGe776383ad [2021-12-06 17:16:35,663 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:16:35,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-06 17:16:35,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/0daa1e3a9/3fdbb74a24a64317b6c8025435387159/FLAGe776383ad [2021-12-06 17:16:36,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/0daa1e3a9/3fdbb74a24a64317b6c8025435387159 [2021-12-06 17:16:36,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:16:36,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:16:36,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:36,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:16:36,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:16:36,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:36" (1/1) ... [2021-12-06 17:16:36,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a819b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36, skipping insertion in model container [2021-12-06 17:16:36,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:36" (1/1) ... [2021-12-06 17:16:36,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:16:36,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:16:36,477 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_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-12-06 17:16:38,895 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-06 17:16:38,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@463402e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:38, skipping insertion in model container [2021-12-06 17:16:38,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:38,896 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 17:16:38,898 INFO L158 Benchmark]: Toolchain (without parser) took 2755.33ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 67.3MB in the beginning and 114.6MB in the end (delta: -47.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-12-06 17:16:38,898 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:16:38,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2749.71ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 114.6MB in the end (delta: -47.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-12-06 17:16:38,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2749.71ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 114.6MB in the end (delta: -47.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:16:40,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:16:40,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:16:40,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:16:40,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:16:40,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:16:40,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:16:40,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:16:40,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:16:40,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:16:40,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:16:40,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:16:40,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:16:40,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:16:40,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:16:40,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:16:40,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:16:40,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:16:40,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:16:40,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:16:40,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:16:40,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:16:40,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:16:40,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:16:40,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:16:40,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:16:40,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:16:40,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:16:40,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:16:40,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:16:40,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:16:40,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:16:40,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:16:40,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:16:40,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:16:40,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:16:40,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:16:40,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:16:40,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:16:40,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:16:40,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:16:40,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 17:16:40,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:16:40,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:16:40,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:16:40,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:16:40,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:16:40,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:16:40,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:16:40,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:16:40,358 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:16:40,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:16:40,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:16:40,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:16:40,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:16:40,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:16:40,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:16:40,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:16:40,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:16:40,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:16:40,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:16:40,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:16:40,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:16:40,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:16:40,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:16:40,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:16:40,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:16:40,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:16:40,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:16:40,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:16:40,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:16:40,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:16:40,363 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:16:40,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:16:40,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:16:40,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:16:40,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:16:40,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:16:40,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:16:40,364 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_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-06 17:16:40,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:16:40,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:16:40,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:16:40,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:16:40,608 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:16:40,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-06 17:16:40,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/c2100fbd7/b37f0dbb1eb846e89c86910360ff7ba1/FLAG300accef1 [2021-12-06 17:16:41,218 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:16:41,219 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-06 17:16:41,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/c2100fbd7/b37f0dbb1eb846e89c86910360ff7ba1/FLAG300accef1 [2021-12-06 17:16:41,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/bin/uautomizer-DrprNOufMa/data/c2100fbd7/b37f0dbb1eb846e89c86910360ff7ba1 [2021-12-06 17:16:41,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:16:41,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:16:41,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:41,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:16:41,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:16:41,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:41" (1/1) ... [2021-12-06 17:16:41,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569e0131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:41, skipping insertion in model container [2021-12-06 17:16:41,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:41" (1/1) ... [2021-12-06 17:16:41,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:16:41,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:16:42,052 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_8ecce3bf-69fe-4ca9-93ae-5631e8ece15d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-12-06 17:16:44,755 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-06 17:16:44,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aede247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:44, skipping insertion in model container [2021-12-06 17:16:44,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:44,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 17:16:44,758 INFO L158 Benchmark]: Toolchain (without parser) took 3064.01ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 48.7MB in the end (delta: -5.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-06 17:16:44,758 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:16:44,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3062.48ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 43.0MB in the beginning and 48.7MB in the end (delta: -5.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-06 17:16:44,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3062.48ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 43.0MB in the beginning and 48.7MB in the end (delta: -5.7MB). Peak memory consumption was 31.5MB. 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