./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/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_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/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_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/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_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/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 0.2.0-69874e2 [2020-12-01 16:36:32,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:36:32,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:36:32,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:36:32,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:36:32,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:36:32,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:36:32,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:36:32,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:36:32,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:36:32,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:36:32,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:36:32,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:36:32,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:36:32,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:36:32,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:36:32,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:36:32,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:36:32,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:36:32,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:36:32,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:36:32,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:36:32,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:36:32,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:36:32,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:36:32,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:36:32,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:36:32,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:36:32,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:36:32,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:36:32,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:36:32,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:36:32,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:36:32,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:36:32,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:36:32,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:36:32,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:36:32,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:36:32,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:36:32,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:36:32,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:36:32,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:36:32,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:36:32,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:36:32,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:36:32,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:36:32,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:36:32,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:36:32,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:36:32,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:36:32,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:36:32,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:36:32,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:36:32,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:36:32,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:36:32,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:36:32,302 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:36:32,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:36:32,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:36:32,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:36:32,303 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:36:32,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:36:32,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:36:32,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:36:32,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:36:32,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:36:32,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:36:32,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:36:32,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:36:32,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:36:32,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:36:32,307 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_a184cffd-f376-491f-92d1-e65899c2a505/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-12-01 16:36:32,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:36:32,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:36:32,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:36:32,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:36:32,649 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:36:32,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-01 16:36:32,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/0652d4201/250cbe9de7e246a4841967b6a98d52ba/FLAGc62473c43 [2020-12-01 16:36:33,798 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:36:33,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-01 16:36:33,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/0652d4201/250cbe9de7e246a4841967b6a98d52ba/FLAGc62473c43 [2020-12-01 16:36:34,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/0652d4201/250cbe9de7e246a4841967b6a98d52ba [2020-12-01 16:36:34,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:36:34,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:36:34,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:34,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:36:34,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:36:34,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:34" (1/1) ... [2020-12-01 16:36:34,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68341fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:34, skipping insertion in model container [2020-12-01 16:36:34,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:34" (1/1) ... [2020-12-01 16:36:34,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:36:34,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:36:39,404 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:36:39,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@624cf425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:39, skipping insertion in model container [2020-12-01 16:36:39,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:39,405 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:36:39,408 INFO L168 Benchmark]: Toolchain (without parser) took 5198.91 ms. Allocated memory is still 102.8 MB. Free memory was 60.2 MB in the beginning and 62.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:39,409 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 71.3 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:36:39,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5195.58 ms. Allocated memory is still 102.8 MB. Free memory was 60.0 MB in the beginning and 62.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:39,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 71.3 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5195.58 ms. Allocated memory is still 102.8 MB. Free memory was 60.0 MB in the beginning and 62.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 16.4 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 0.2.0-69874e2 [2020-12-01 16:36:41,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:36:41,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:36:41,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:36:41,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:36:41,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:36:41,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:36:41,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:36:41,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:36:41,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:36:41,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:36:41,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:36:41,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:36:41,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:36:41,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:36:41,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:36:41,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:36:41,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:36:41,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:36:42,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:36:42,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:36:42,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:36:42,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:36:42,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:36:42,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:36:42,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:36:42,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:36:42,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:36:42,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:36:42,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:36:42,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:36:42,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:36:42,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:36:42,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:36:42,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:36:42,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:36:42,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:36:42,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:36:42,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:36:42,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:36:42,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:36:42,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:36:42,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:36:42,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:36:42,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:36:42,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:36:42,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:36:42,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:36:42,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:36:42,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:36:42,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:36:42,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:36:42,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:36:42,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:36:42,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:36:42,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:36:42,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:36:42,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:36:42,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:36:42,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:36:42,121 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:36:42,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:36:42,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:36:42,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:36:42,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:36:42,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:36:42,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:36:42,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:36:42,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:36:42,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:36:42,123 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:36:42,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:36:42,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:36:42,124 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:36:42,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:36:42,125 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_a184cffd-f376-491f-92d1-e65899c2a505/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-12-01 16:36:42,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:36:42,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:36:42,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:36:42,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:36:42,640 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:36:42,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-01 16:36:42,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/a50d8d133/6acbaf8ff1004f98840ad1f506ee762f/FLAG15672d071 [2020-12-01 16:36:43,753 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:36:43,755 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-01 16:36:43,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/a50d8d133/6acbaf8ff1004f98840ad1f506ee762f/FLAG15672d071 [2020-12-01 16:36:44,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a184cffd-f376-491f-92d1-e65899c2a505/bin/ukojak/data/a50d8d133/6acbaf8ff1004f98840ad1f506ee762f [2020-12-01 16:36:44,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:36:44,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:36:44,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:44,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:36:44,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:36:44,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:44" (1/1) ... [2020-12-01 16:36:44,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6dc816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44, skipping insertion in model container [2020-12-01 16:36:44,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:44" (1/1) ... [2020-12-01 16:36:44,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:36:44,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:36:49,466 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:36:49,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@702926ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:49, skipping insertion in model container [2020-12-01 16:36:49,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:49,467 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:36:49,469 INFO L168 Benchmark]: Toolchain (without parser) took 5281.58 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 34.7 MB in the beginning and 41.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:49,470 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:36:49,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5279.14 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 34.6 MB in the beginning and 41.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:49,473 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 54.5 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5279.14 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 34.6 MB in the beginning and 41.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 29.2 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...