./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer --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 Automizer --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_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31a0eb1c375123465029054813704556a808514c .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:27,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:27,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:28,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:28,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:28,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:28,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:28,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:28,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:28,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:28,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:28,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:28,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:28,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:28,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:28,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:28,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:28,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:28,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:28,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:28,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:28,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:28,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:28,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:28,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:28,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:28,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:28,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:28,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:28,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:28,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:28,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:28,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:28,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:28,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:28,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:28,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:28,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:28,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:28,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:28,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:28,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:28,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:28,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:28,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:28,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:28,150 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:28,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:28,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:28,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:28,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:28,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:28,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:28,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:28,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:28,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:28,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:28,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:28,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:28,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:28,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:28,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:28,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:28,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:28,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:28,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:28,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:28,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:28,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:28,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:28,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:28,157 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_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-28 03:19:28,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:28,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:28,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:28,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:28,447 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:28,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 03:19:28,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/877b05a0b/3bc0922569db43c79c5412d695ae72a6/FLAGcf7c82027 [2020-11-28 03:19:29,461 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:29,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 03:19:29,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/877b05a0b/3bc0922569db43c79c5412d695ae72a6/FLAGcf7c82027 [2020-11-28 03:19:29,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/877b05a0b/3bc0922569db43c79c5412d695ae72a6 [2020-11-28 03:19:29,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:29,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:29,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:29,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:29,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:29,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:29" (1/1) ... [2020-11-28 03:19:29,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f506353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:29, skipping insertion in model container [2020-11-28 03:19:29,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:29" (1/1) ... [2020-11-28 03:19:29,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:30,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:33,698 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:19:33,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@690294c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:33, skipping insertion in model container [2020-11-28 03:19:33,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:33,699 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:19:33,706 INFO L168 Benchmark]: Toolchain (without parser) took 3784.35 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 62.0 MB in the beginning and 70.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:33,707 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:33,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3779.75 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 62.0 MB in the beginning and 70.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:33,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3779.75 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 62.0 MB in the beginning and 70.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 25.2 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:36,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:36,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:36,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:36,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:36,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:36,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:36,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:36,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:36,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:36,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:36,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:36,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:36,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:36,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:36,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:36,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:36,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:36,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:36,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:36,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:36,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:36,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:36,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:36,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:36,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:36,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:36,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:36,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:36,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:36,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:36,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:36,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:36,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:36,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:36,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:36,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:36,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:36,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:36,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:36,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:36,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:19:36,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:36,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:36,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:36,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:36,280 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:36,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:36,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:36,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:36,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:36,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:36,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:36,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:36,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:19:36,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:19:36,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:36,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:36,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:36,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:36,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:36,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:36,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:36,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:36,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:36,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:36,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:36,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:36,285 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:19:36,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:19:36,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:36,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:36,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:19:36,286 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_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-28 03:19:36,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:36,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:36,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:36,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:36,710 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:36,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 03:19:36,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/70ca7616e/fc4aeffac25c4a1c92638243c9871030/FLAG7aae54ad6 [2020-11-28 03:19:37,707 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:37,707 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-28 03:19:37,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/70ca7616e/fc4aeffac25c4a1c92638243c9871030/FLAG7aae54ad6 [2020-11-28 03:19:38,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5902a5cd-4dac-463c-b7ca-7d8f81654eb0/bin/uautomizer/data/70ca7616e/fc4aeffac25c4a1c92638243c9871030 [2020-11-28 03:19:38,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:38,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:38,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:38,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:38,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:38,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:38" (1/1) ... [2020-11-28 03:19:38,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3b3910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:38, skipping insertion in model container [2020-11-28 03:19:38,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:38" (1/1) ... [2020-11-28 03:19:38,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:38,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:41,992 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:19:41,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b32c578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41, skipping insertion in model container [2020-11-28 03:19:41,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:41,994 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:19:41,998 INFO L168 Benchmark]: Toolchain (without parser) took 3827.10 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 42.9 MB in the beginning and 54.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:42,000 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:42,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3824.06 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 42.7 MB in the beginning and 54.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:42,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3824.06 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 42.7 MB in the beginning and 54.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 18.6 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...