./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:53,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:53,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:53,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:53,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:53,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:53,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:53,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:53,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:53,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:53,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:53,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:53,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:53,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:53,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:53,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:53,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:53,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:53,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:53,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:53,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:53,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:53,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:53,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:53,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:53,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:53,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:53,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:53,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:53,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:53,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:53,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:53,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:53,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:53,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:53,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:53,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:53,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:53,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:53,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:53,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:53,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:29:53,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:53,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:53,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:53,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:53,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:53,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:53,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:53,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:53,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:53,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:53,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:53,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:53,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:53,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:53,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:53,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:53,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:53,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:53,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:53,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:53,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:53,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:53,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:53,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:53,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:53,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:29:53,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:29:53,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:53,790 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_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-23 15:29:54,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:54,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:54,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:54,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:54,136 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:54,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 15:29:54,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/299978404/32f094ded61244bbbace58a9590e5468/FLAGa09fceaa5 [2021-11-23 15:29:55,256 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:55,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 15:29:55,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/299978404/32f094ded61244bbbace58a9590e5468/FLAGa09fceaa5 [2021-11-23 15:29:55,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/299978404/32f094ded61244bbbace58a9590e5468 [2021-11-23 15:29:55,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:55,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:55,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:55,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:55,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:55,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:55" (1/1) ... [2021-11-23 15:29:55,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e3f215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:55, skipping insertion in model container [2021-11-23 15:29:55,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:55" (1/1) ... [2021-11-23 15:29:55,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:55,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:56,354 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_a25d8aea-08f6-4bbd-8d88-82da30c277e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-23 15:30:00,194 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 15:30:00,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30d810c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:00, skipping insertion in model container [2021-11-23 15:30:00,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:00,195 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:30:00,197 INFO L158 Benchmark]: Toolchain (without parser) took 4527.21ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 71.2MB in the end (delta: 12.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:00,199 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:00,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4524.32ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 71.2MB in the end (delta: 11.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:00,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4524.32ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 71.2MB in the end (delta: 11.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:02,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:02,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:02,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:02,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:02,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:02,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:02,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:02,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:02,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:02,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:02,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:02,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:02,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:02,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:02,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:02,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:02,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:02,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:02,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:02,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:02,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:02,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:02,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:02,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:02,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:02,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:02,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:02,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:02,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:02,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:02,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:02,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:02,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:02,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:02,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:02,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:02,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:02,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:02,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:02,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:02,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:02,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:02,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:02,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:02,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:02,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:02,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:02,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:02,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:02,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:02,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:02,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:02,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:02,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:02,790 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:02,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:02,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:02,791 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:02,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:02,791 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:02,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:02,791 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:02,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:02,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:02,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:02,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:02,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:02,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:02,793 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:02,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:02,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:02,794 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:02,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:02,794 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_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-23 15:30:03,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:03,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:03,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:03,217 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:03,218 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:03,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 15:30:03,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/cd4423fe8/80ee7a7735cc4ebe990be2302f357deb/FLAG6870d601c [2021-11-23 15:30:04,312 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:04,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 15:30:04,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/cd4423fe8/80ee7a7735cc4ebe990be2302f357deb/FLAG6870d601c [2021-11-23 15:30:04,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a25d8aea-08f6-4bbd-8d88-82da30c277e2/bin/ukojak-CwSLpZB5Qu/data/cd4423fe8/80ee7a7735cc4ebe990be2302f357deb [2021-11-23 15:30:04,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:04,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:04,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:04,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:04,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:04,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:04" (1/1) ... [2021-11-23 15:30:04,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba2d338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:04, skipping insertion in model container [2021-11-23 15:30:04,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:04" (1/1) ... [2021-11-23 15:30:04,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:04,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:05,375 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_a25d8aea-08f6-4bbd-8d88-82da30c277e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-23 15:30:08,988 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 15:30:08,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7201d787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:08, skipping insertion in model container [2021-11-23 15:30:08,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:08,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:30:08,991 INFO L158 Benchmark]: Toolchain (without parser) took 4239.89ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 56.4MB in the end (delta: -6.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:08,992 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:08,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4236.98ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.9MB in the beginning and 56.4MB in the end (delta: -6.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:08,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4236.98ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.9MB in the beginning and 56.4MB in the end (delta: -6.6MB). Peak memory consumption was 26.0MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN