./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 db2001bb565ef88ea47ef3399548999414e36dcd ........................................................................................................................... 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 -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 db2001bb565ef88ea47ef3399548999414e36dcd ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:36:00,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:36:00,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:36:00,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:36:00,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:36:00,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:36:00,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:36:00,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:36:00,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:36:00,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:36:00,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:36:00,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:36:00,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:36:00,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:36:00,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:36:00,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:36:00,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:36:00,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:36:00,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:36:00,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:36:00,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:36:00,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:36:00,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:36:00,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:36:00,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:36:00,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:36:00,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:36:00,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:36:00,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:36:00,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:36:00,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:36:00,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:36:00,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:36:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:36:00,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:36:00,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:36:00,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:36:00,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:36:00,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:36:00,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:36:00,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:36:00,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:36:00,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:36:00,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:36:00,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:36:00,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:36:00,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:36:00,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:36:00,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:36:00,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:36:00,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:36:00,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:36:00,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:36:00,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:36:00,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:36:00,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:36:00,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:36:00,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:36:00,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:36:00,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:36:00,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:36:00,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:36:00,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:36:00,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:36:00,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:36:00,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:36:00,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:36:00,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:36:00,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:36:00,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:36:00,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:36:00,153 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 -> db2001bb565ef88ea47ef3399548999414e36dcd [2019-11-28 18:36:00,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:36:00,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:36:00,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:36:00,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:36:00,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:36:00,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2019-11-28 18:36:00,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa8fdc13/8995bd1c853f42339a7c875895690187/FLAG99fb16429 [2019-11-28 18:36:01,328 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:36:01,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2019-11-28 18:36:01,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa8fdc13/8995bd1c853f42339a7c875895690187/FLAG99fb16429 [2019-11-28 18:36:01,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa8fdc13/8995bd1c853f42339a7c875895690187 [2019-11-28 18:36:01,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:36:01,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:36:01,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:01,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:36:01,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:36:01,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:01" (1/1) ... [2019-11-28 18:36:01,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d72d6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:01, skipping insertion in model container [2019-11-28 18:36:01,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:01" (1/1) ... [2019-11-28 18:36:01,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:36:01,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:36:05,720 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 18:36:05,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4903401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:05, skipping insertion in model container [2019-11-28 18:36:05,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:05,721 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 18:36:05,723 INFO L168 Benchmark]: Toolchain (without parser) took 3892.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:05,724 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:05,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3889.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:05,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3889.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 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: 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 [2019-11-28 18:36:07,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:36:07,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:36:07,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:36:07,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:36:07,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:36:07,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:36:07,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:36:07,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:36:07,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:36:07,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:36:07,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:36:07,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:36:07,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:36:07,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:36:07,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:36:07,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:36:07,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:36:07,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:36:07,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:36:07,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:36:07,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:36:07,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:36:07,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:36:07,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:36:07,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:36:07,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:36:07,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:36:07,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:36:07,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:36:07,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:36:07,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:36:07,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:36:07,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:36:07,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:36:07,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:36:07,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:36:07,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:36:07,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:36:07,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:36:07,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:36:07,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 18:36:07,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:36:07,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:36:07,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:36:07,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:36:07,655 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:36:07,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:36:07,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:36:07,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:36:07,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:36:07,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:36:07,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:36:07,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:36:07,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 18:36:07,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 18:36:07,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:36:07,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:36:07,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:36:07,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:36:07,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:36:07,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:36:07,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:36:07,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:36:07,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:36:07,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:36:07,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:36:07,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:36:07,661 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 18:36:07,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 18:36:07,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:36:07,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:36:07,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 18:36:07,662 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 -> db2001bb565ef88ea47ef3399548999414e36dcd [2019-11-28 18:36:07,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:36:07,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:36:07,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:36:07,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:36:07,996 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:36:07,997 INFO L428 ainManager$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 [2019-11-28 18:36:08,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a537ea3be/1c97dc9611dc4941abcadc3a7a488625/FLAG1c8f3b56b [2019-11-28 18:36:08,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:36:08,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2019-11-28 18:36:08,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a537ea3be/1c97dc9611dc4941abcadc3a7a488625/FLAG1c8f3b56b [2019-11-28 18:36:09,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a537ea3be/1c97dc9611dc4941abcadc3a7a488625 [2019-11-28 18:36:09,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:36:09,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:36:09,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:09,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:36:09,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:36:09,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:09" (1/1) ... [2019-11-28 18:36:09,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760af9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:09, skipping insertion in model container [2019-11-28 18:36:09,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:09" (1/1) ... [2019-11-28 18:36:09,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:36:09,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:36:12,792 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-28 18:36:12,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48b751dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:12, skipping insertion in model container [2019-11-28 18:36:12,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:12,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-28 18:36:12,797 INFO L168 Benchmark]: Toolchain (without parser) took 3376.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:12,798 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:12,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3372.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:12,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3372.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 54.9 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...