./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak --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 31a0eb1c375123465029054813704556a808514c ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak --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 31a0eb1c375123465029054813704556a808514c .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:10,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:10,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:11,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:11,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:11,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:11,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:11,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:11,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:11,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:11,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:11,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:11,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:11,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:11,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:11,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:11,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:11,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:11,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:11,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:11,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:11,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:11,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:11,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:11,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:11,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:11,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:11,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:11,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:11,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:11,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:11,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:11,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:11,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:11,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:11,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:11,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:11,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:11,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:11,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:11,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:11,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:11,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:11,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:11,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:11,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:11,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:11,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:11,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:11,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:11,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:11,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:11,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:11,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:11,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:11,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:11,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:11,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:11,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:11,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:11,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:11,142 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:11,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:11,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:11,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:11,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:11,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:11,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:11,144 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:11,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:11,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:11,146 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-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-28 04:42:11,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:11,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:11,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:11,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:11,438 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:11,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 04:42:11,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/7fae826ec/c9939cc5506d4a0ba3b5122f4c840e1c/FLAGfe3171919 [2020-11-28 04:42:12,313 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:12,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 04:42:12,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/7fae826ec/c9939cc5506d4a0ba3b5122f4c840e1c/FLAGfe3171919 [2020-11-28 04:42:12,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/7fae826ec/c9939cc5506d4a0ba3b5122f4c840e1c [2020-11-28 04:42:12,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:12,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:12,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:12,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:12,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:12,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:12" (1/1) ... [2020-11-28 04:42:12,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dce3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:12, skipping insertion in model container [2020-11-28 04:42:12,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:12" (1/1) ... [2020-11-28 04:42:12,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:13,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:17,739 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:42:17,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@694d976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:17, skipping insertion in model container [2020-11-28 04:42:17,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:17,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:17,743 INFO L168 Benchmark]: Toolchain (without parser) took 4895.76 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 64.4 MB in the beginning and 88.1 MB in the end (delta: -23.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:17,743 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:17,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4892.25 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 64.2 MB in the beginning and 88.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:17,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4892.25 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 64.2 MB in the beginning and 88.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 29.4 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 0.2.0-a4ecdab [2020-11-28 04:42:20,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:42:20,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:20,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:20,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:20,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:20,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:20,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:20,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:20,356 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,356 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:42:20,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:42:20,358 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-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-28 04:42:20,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:20,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:20,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:20,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:20,805 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:20,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 04:42:20,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/b45a5e20a/cae949dc4d4e47259b10528434bce0ac/FLAG404d22e31 [2020-11-28 04:42:21,852 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 04:42:21,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/b45a5e20a/cae949dc4d4e47259b10528434bce0ac/FLAG404d22e31 [2020-11-28 04:42:22,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aced4c51-bef3-4dc6-9209-48e7eaf574fe/bin/ukojak/data/b45a5e20a/cae949dc4d4e47259b10528434bce0ac [2020-11-28 04:42:22,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:22,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:22,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:22,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:22,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac10bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22, skipping insertion in model container [2020-11-28 04:42:22,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:22,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:26,414 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:42:26,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dfb20af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:26, skipping insertion in model container [2020-11-28 04:42:26,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:26,415 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:26,417 INFO L168 Benchmark]: Toolchain (without parser) took 4080.97 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.2 MB in the beginning and 44.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:26,418 INFO L168 Benchmark]: CDTParser took 4.12 ms. Allocated memory is still 48.2 MB. Free memory is still 31.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:26,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4077.75 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.0 MB in the beginning and 44.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:26,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.12 ms. Allocated memory is still 48.2 MB. Free memory is still 31.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4077.75 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.0 MB in the beginning and 44.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 22.2 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...