./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_read_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................ 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_read_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eefa9a333e1ee4770c037634061df0061348ca43 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 00:36:52,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:36:52,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:36:52,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:36:52,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:36:52,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:36:52,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:36:52,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:36:52,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:36:52,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:36:52,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:36:52,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:36:52,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:36:52,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:36:52,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:36:52,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:36:52,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:36:52,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:36:52,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:36:52,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:36:52,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:36:52,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:36:52,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:36:52,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:36:52,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:36:52,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:36:52,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:36:52,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:36:52,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:36:52,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:36:52,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:36:52,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:36:52,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:36:52,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:36:52,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:36:52,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:36:52,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:36:52,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:36:52,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:36:52,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:36:52,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:36:52,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:36:52,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:36:52,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:36:52,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:36:52,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:36:52,780 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:36:52,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:36:52,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:36:52,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:36:52,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:36:52,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:36:52,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:36:52,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:36:52,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:36:52,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:36:52,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:36:52,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:36:52,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:36:52,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:36:52,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:36:52,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:36:52,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:36:52,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:36:52,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:36:52,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:36:52,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:36:52,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:36:52,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:36:52,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:36:52,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:36:52,790 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-10-26 00:36:53,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:36:53,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:36:53,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:36:53,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:36:53,281 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:36:53,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-10-26 00:36:53,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f3e76fd/a97eff0ddcb94763b075be70d7cf484f/FLAG95a5fd7d4 [2020-10-26 00:36:54,296 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:36:54,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-10-26 00:36:54,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f3e76fd/a97eff0ddcb94763b075be70d7cf484f/FLAG95a5fd7d4 [2020-10-26 00:36:54,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f3e76fd/a97eff0ddcb94763b075be70d7cf484f [2020-10-26 00:36:54,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:36:54,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:36:54,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:36:54,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:36:54,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:36:54,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:36:54" (1/1) ... [2020-10-26 00:36:54,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1f65be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:36:54, skipping insertion in model container [2020-10-26 00:36:54,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:36:54" (1/1) ... [2020-10-26 00:36:54,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:36:54,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:00,084 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:00,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@657950d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:00, skipping insertion in model container [2020-10-26 00:37:00,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:00,086 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:00,089 INFO L168 Benchmark]: Toolchain (without parser) took 5287.02 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 19.9 MB in the beginning and 27.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:00,090 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory was 27.2 MB in the beginning and 27.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:00,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5278.04 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 19.2 MB in the beginning and 27.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:00,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory was 27.2 MB in the beginning and 27.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5278.04 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 19.2 MB in the beginning and 27.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 16.9 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 0.2.0-5485861 [2020-10-26 00:37:02,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:37:02,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:37:02,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:37:02,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:37:02,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:37:02,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:37:02,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:37:02,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:37:02,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:37:02,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:37:02,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:37:02,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:37:02,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:37:02,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:37:02,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:37:02,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:37:02,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:37:02,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:37:02,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:37:02,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:37:02,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:37:02,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:37:02,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:37:02,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:37:02,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:37:02,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:37:02,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:37:02,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:37:02,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:37:02,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:37:02,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:37:02,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:37:02,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:37:02,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:37:02,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:37:02,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:37:02,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:37:02,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:37:02,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:37:02,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:37:02,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-26 00:37:02,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:37:02,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:37:02,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:37:02,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:37:02,742 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:37:02,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:37:02,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:37:02,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:37:02,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:37:02,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:37:02,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:37:02,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:37:02,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 00:37:02,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 00:37:02,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:37:02,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:37:02,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:37:02,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:37:02,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:37:02,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:37:02,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:37:02,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:37:02,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:37:02,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:37:02,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:37:02,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:37:02,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 00:37:02,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 00:37:02,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:37:02,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:37:02,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 00:37:02,749 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-10-26 00:37:03,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:37:03,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:37:03,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:37:03,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:37:03,237 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:37:03,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-10-26 00:37:03,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddcee5c3/c7f93e45124e427c807392ba26f819e3/FLAG27eaaeef1 [2020-10-26 00:37:04,428 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:37:04,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-10-26 00:37:04,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddcee5c3/c7f93e45124e427c807392ba26f819e3/FLAG27eaaeef1 [2020-10-26 00:37:04,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ddcee5c3/c7f93e45124e427c807392ba26f819e3 [2020-10-26 00:37:04,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:37:04,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:37:04,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:04,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:37:04,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:37:04,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:04" (1/1) ... [2020-10-26 00:37:04,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d589920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:04, skipping insertion in model container [2020-10-26 00:37:04,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:04" (1/1) ... [2020-10-26 00:37:04,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:37:04,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:08,932 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:08,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20ce5dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:08, skipping insertion in model container [2020-10-26 00:37:08,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:08,934 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:08,938 INFO L168 Benchmark]: Toolchain (without parser) took 4170.83 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.5 MB in the beginning and 31.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:08,939 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:08,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4161.25 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 31.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:08,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4161.25 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 31.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.3 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...