./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a233ca437d35b9528528eefc457b42f890d626c .......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a233ca437d35b9528528eefc457b42f890d626c .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 15:52:58,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:52:58,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:52:58,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:52:58,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:52:58,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:52:58,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:52:58,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:52:58,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:52:58,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:52:58,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:52:58,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:52:58,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:52:58,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:52:58,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:52:58,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:52:58,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:52:58,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:52:58,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:52:58,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:52:58,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:52:58,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:52:58,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:52:58,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:52:58,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:52:58,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:52:58,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:52:58,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:52:58,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:52:58,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:52:58,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:52:58,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:52:58,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:52:58,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:52:58,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:52:58,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:52:58,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:52:58,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:52:58,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:52:58,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:52:58,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:52:58,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:52:58,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:52:58,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:52:58,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:52:58,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:52:58,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:52:58,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:52:58,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:52:58,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:52:58,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:52:58,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:52:58,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:52:58,060 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:52:58,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:52:58,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:52:58,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:52:58,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:52:58,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:52:58,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/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(__VERIFIER_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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-12-01 15:52:58,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:52:58,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:52:58,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:52:58,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:52:58,178 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:52:58,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-12-01 15:52:58,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/b4bd17bf0/d2a4803e69e94aa898bd8978b31d6839/FLAGa06973f43 [2019-12-01 15:52:58,787 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:52:58,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-12-01 15:52:58,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/b4bd17bf0/d2a4803e69e94aa898bd8978b31d6839/FLAGa06973f43 [2019-12-01 15:52:59,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/b4bd17bf0/d2a4803e69e94aa898bd8978b31d6839 [2019-12-01 15:52:59,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:52:59,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:52:59,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:52:59,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:52:59,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:52:59,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:59" (1/1) ... [2019-12-01 15:52:59,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e94af0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:59, skipping insertion in model container [2019-12-01 15:52:59,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:59" (1/1) ... [2019-12-01 15:52:59,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:52:59,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:53:02,011 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-12-01 15:53:02,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@301b7b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:53:02, skipping insertion in model container [2019-12-01 15:53:02,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:53:02,012 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-01 15:53:02,014 INFO L168 Benchmark]: Toolchain (without parser) took 2760.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:53:02,015 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:53:02,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2758.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:53:02,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2758.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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 0.1.25-f470102 [2019-12-01 15:53:03,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:53:03,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:53:03,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:53:03,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:53:03,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:53:03,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:53:03,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:53:03,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:53:03,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:53:03,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:53:03,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:53:03,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:53:03,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:53:03,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:53:03,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:53:03,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:53:03,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:53:03,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:53:03,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:53:03,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:53:03,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:53:03,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:53:03,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:53:03,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:53:03,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:53:03,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:53:03,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:53:03,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:53:03,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:53:03,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:53:03,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:53:03,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:53:03,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:53:03,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:53:03,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:53:03,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:53:03,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:53:03,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:53:03,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:53:03,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:53:03,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-12-01 15:53:03,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:53:03,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:53:03,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:53:03,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:53:03,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:53:03,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:53:03,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:53:03,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:53:03,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:53:03,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:53:03,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:53:03,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:53:03,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:53:03,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:53:03,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:53:03,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:53:03,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:53:03,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:53:03,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 15:53:03,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 15:53:03,225 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/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(__VERIFIER_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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-12-01 15:53:03,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:53:03,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:53:03,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:53:03,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:53:03,400 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:53:03,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-12-01 15:53:03,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/e752dece0/dbfa20e967cd47ee94153af1637c208c/FLAG9ba70f3f4 [2019-12-01 15:53:04,108 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:53:04,108 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-12-01 15:53:04,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/e752dece0/dbfa20e967cd47ee94153af1637c208c/FLAG9ba70f3f4 [2019-12-01 15:53:04,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96fa0261-b1cc-4bdd-8816-bb1638fdbf4b/bin/ukojak/data/e752dece0/dbfa20e967cd47ee94153af1637c208c [2019-12-01 15:53:04,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:53:04,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:53:04,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:53:04,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:53:04,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:53:04,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:53:04" (1/1) ... [2019-12-01 15:53:04,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613aa2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:53:04, skipping insertion in model container [2019-12-01 15:53:04,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:53:04" (1/1) ... [2019-12-01 15:53:04,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:53:04,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:53:07,390 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-12-01 15:53:07,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5938f996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:53:07, skipping insertion in model container [2019-12-01 15:53:07,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:53:07,392 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-01 15:53:07,393 INFO L168 Benchmark]: Toolchain (without parser) took 2928.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-12-01 15:53:07,394 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:53:07,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2923.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-12-01 15:53:07,395 INFO L335 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 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2923.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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...