./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ 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_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/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 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:14:26,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:26,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:26,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:26,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:26,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:26,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:26,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:26,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:26,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:26,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:26,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:26,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:26,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:26,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:26,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:26,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:26,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:26,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:26,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:26,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:26,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:26,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:26,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:26,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:26,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:26,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:26,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:26,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:26,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:26,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:26,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:26,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:26,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:26,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:26,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:26,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:26,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:26,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:26,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:26,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:26,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:14:26,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:26,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:26,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:26,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:26,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:26,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:26,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:26,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:26,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:26,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:26,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:26,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:26,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:26,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:26,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:26,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:26,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:26,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:26,364 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:26,364 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:26,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:26,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:26,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:26,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:26,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:26,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:26,366 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:26,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:26,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:26,367 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_30915afa-1f13-4b75-805a-1f8d8336a04c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-12-01 16:14:26,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:26,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:26,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:26,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:26,630 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:26,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-01 16:14:26,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/6a3748274/59d3278e63fc4a46b2faa0745fafa909/FLAG57992b78b [2020-12-01 16:14:27,455 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:27,456 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-01 16:14:27,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/6a3748274/59d3278e63fc4a46b2faa0745fafa909/FLAG57992b78b [2020-12-01 16:14:28,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/6a3748274/59d3278e63fc4a46b2faa0745fafa909 [2020-12-01 16:14:28,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:28,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:28,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:28,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:28,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:28,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453c0529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28, skipping insertion in model container [2020-12-01 16:14:28,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:28,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:31,824 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:14:31,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1835dac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:31, skipping insertion in model container [2020-12-01 16:14:31,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:31,826 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:14:31,828 INFO L168 Benchmark]: Toolchain (without parser) took 3817.38 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 53.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:31,829 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:31,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3812.57 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 53.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:31,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3812.57 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 53.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 27.3 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 0.2.0-69874e2 [2020-12-01 16:14:34,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:34,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:34,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:34,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:34,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:34,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:34,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:34,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:34,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:34,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:34,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:34,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:34,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:34,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:34,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:34,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:34,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:34,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:34,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:34,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:34,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:34,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:34,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:34,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:34,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:34,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:34,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:34,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:34,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:34,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:34,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:34,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:34,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:34,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:34,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:34,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:34,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:34,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:34,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:34,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:34,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:14:34,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:34,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:34,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:34,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:34,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:34,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:34,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:34,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:34,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:34,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:34,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:34,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:34,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:34,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:14:34,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:14:34,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:14:34,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:34,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:34,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:34,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:34,315 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:34,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:34,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:34,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:34,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:34,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:34,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:34,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:34,316 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:14:34,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:14:34,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:34,317 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:14:34,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:14:34,317 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_30915afa-1f13-4b75-805a-1f8d8336a04c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-12-01 16:14:34,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:34,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:34,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:34,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:34,723 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:34,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-01 16:14:34,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/99205d202/1637fbc4abdd4395afafd0a474ca61ea/FLAGa04e5cd5e [2020-12-01 16:14:35,754 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:35,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-01 16:14:35,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/99205d202/1637fbc4abdd4395afafd0a474ca61ea/FLAGa04e5cd5e [2020-12-01 16:14:36,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30915afa-1f13-4b75-805a-1f8d8336a04c/bin/ukojak/data/99205d202/1637fbc4abdd4395afafd0a474ca61ea [2020-12-01 16:14:36,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:36,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:36,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:36,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:36,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:36,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:36" (1/1) ... [2020-12-01 16:14:36,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f5f68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:36, skipping insertion in model container [2020-12-01 16:14:36,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:36" (1/1) ... [2020-12-01 16:14:36,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:36,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:39,739 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:14:39,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76ae28ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:39, skipping insertion in model container [2020-12-01 16:14:39,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:39,741 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:14:39,743 INFO L168 Benchmark]: Toolchain (without parser) took 3578.51 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 25.4 MB in the beginning and 36.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:39,744 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:39,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3576.22 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 36.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:39,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3576.22 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 36.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.2 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...