./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 -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0583e64ea314e8fa57f40250ad2e3acd327626bc ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0583e64ea314e8fa57f40250ad2e3acd327626bc ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:51:53,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:51:53,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:51:53,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:51:53,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:51:53,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:51:53,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:51:53,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:51:53,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:51:53,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:51:53,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:51:53,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:51:53,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:51:53,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:51:53,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:51:53,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:51:53,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:51:53,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:51:53,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:51:53,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:51:53,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:51:53,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:51:53,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:51:53,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:51:53,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:51:53,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:51:53,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:51:53,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:51:53,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:51:53,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:51:53,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:51:53,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:51:53,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:51:53,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:51:53,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:51:53,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:51:53,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:51:53,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:51:53,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:51:53,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:51:53,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:51:53,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:51:53,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:51:53,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:51:53,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:51:53,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:51:53,827 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:51:53,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:51:53,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:51:53,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:51:53,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:51:53,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:51:53,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:51:53,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:51:53,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:51:53,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:51:53,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:51:53,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:51:53,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:51:53,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:51:53,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:51:53,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:51:53,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:51:53,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:51:53,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:51:53,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:51:53,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:51:53,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:51:53,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:51:53,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:51:53,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:51:53,835 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 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 -> 0583e64ea314e8fa57f40250ad2e3acd327626bc [2020-07-28 21:51:54,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:51:54,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:51:54,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:51:54,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:51:54,163 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:51:54,164 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-07-28 21:51:54,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd426360/588283d109864a929bbca6c3f3f41d8f/FLAG3162521ed [2020-07-28 21:51:55,110 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:51:55,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-07-28 21:51:55,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd426360/588283d109864a929bbca6c3f3f41d8f/FLAG3162521ed [2020-07-28 21:51:55,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd426360/588283d109864a929bbca6c3f3f41d8f [2020-07-28 21:51:55,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:51:55,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:51:55,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:51:55,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:51:55,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:51:55,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:55" (1/1) ... [2020-07-28 21:51:55,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70040447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:51:55, skipping insertion in model container [2020-07-28 21:51:55,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:55" (1/1) ... [2020-07-28 21:51:55,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:51:55,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:51:59,457 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:51:59,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7317f41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:51:59, skipping insertion in model container [2020-07-28 21:51:59,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:51:59,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:51:59,464 INFO L168 Benchmark]: Toolchain (without parser) took 3877.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:51:59,465 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:51:59,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3872.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:51:59,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3872.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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 0.1.25-8bd4bc6 [2020-07-28 21:52:01,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:52:01,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:52:01,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:52:01,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:52:01,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:52:01,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:52:01,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:52:01,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:52:01,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:52:01,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:52:01,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:52:01,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:52:01,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:52:01,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:52:01,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:52:01,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:52:01,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:52:01,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:52:01,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:52:01,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:52:01,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:52:01,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:52:01,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:52:01,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:52:01,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:52:01,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:52:01,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:52:01,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:52:01,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:52:01,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:52:01,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:52:01,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:52:01,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:52:01,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:52:01,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:52:01,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:52:01,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:52:01,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:52:01,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:52:01,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:52:01,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 21:52:01,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:52:01,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:52:01,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:52:01,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:52:01,371 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:52:01,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:52:01,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:52:01,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:52:01,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:52:01,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:52:01,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:52:01,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:52:01,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 21:52:01,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 21:52:01,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:52:01,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:52:01,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:52:01,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:52:01,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:52:01,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:52:01,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:52:01,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:52:01,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:52:01,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:52:01,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:52:01,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:52:01,376 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 21:52:01,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 21:52:01,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:52:01,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:52:01,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 21:52:01,377 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 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 -> 0583e64ea314e8fa57f40250ad2e3acd327626bc [2020-07-28 21:52:01,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:52:01,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:52:01,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:52:01,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:52:01,756 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:52:01,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-07-28 21:52:01,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3537a3ac2/7c7530acf16d4ddb9adcb8fbb62fe4d6/FLAG89e55bc58 [2020-07-28 21:52:02,609 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:52:02,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-07-28 21:52:02,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3537a3ac2/7c7530acf16d4ddb9adcb8fbb62fe4d6/FLAG89e55bc58 [2020-07-28 21:52:03,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3537a3ac2/7c7530acf16d4ddb9adcb8fbb62fe4d6 [2020-07-28 21:52:03,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:52:03,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:52:03,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:03,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:52:03,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:52:03,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:03" (1/1) ... [2020-07-28 21:52:03,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebd6ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:03, skipping insertion in model container [2020-07-28 21:52:03,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:03" (1/1) ... [2020-07-28 21:52:03,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:52:03,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:52:06,408 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:52:06,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5efc92e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:06, skipping insertion in model container [2020-07-28 21:52:06,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:06,410 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:52:06,415 INFO L168 Benchmark]: Toolchain (without parser) took 3318.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -65.0 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:06,416 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:52:06,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3311.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -65.0 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:06,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3311.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -65.0 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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...