/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:25:29,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:25:29,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:25:29,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:25:29,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:25:29,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:25:29,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:25:29,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:25:29,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:25:29,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:25:29,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:25:29,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:25:29,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:25:29,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:25:29,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:25:29,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:25:29,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:25:29,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:25:29,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:25:29,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:25:29,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:25:29,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:25:29,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:25:29,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:25:29,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 15:25:29,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:25:29,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:25:29,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:25:29,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 15:25:29,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:25:29,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:25:29,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:25:29,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:25:29,548 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:25:29,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:25:29,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:25:29,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:25:29,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:25:29,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:25:29,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:25:29,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:25:29,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:25:29,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:25:29,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:25:29,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:25:29,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:25:29,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:25:29,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:25:29,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:25:29,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:25:29,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:25:29,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:25:29,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:25:29,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:25:29,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:25:29,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:25:29,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:25:29,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:25:29,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:25:29,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:25:29,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:25:29,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:25:29,868 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:25:29,868 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:25:29,869 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-07-10 15:25:29,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6664e9813/58e5082a31ca40518620d3d2f0ab8b61/FLAG736a8872d [2020-07-10 15:25:30,837 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:25:30,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-07-10 15:25:30,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6664e9813/58e5082a31ca40518620d3d2f0ab8b61/FLAG736a8872d [2020-07-10 15:25:31,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6664e9813/58e5082a31ca40518620d3d2f0ab8b61 [2020-07-10 15:25:31,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:25:31,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:25:31,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:25:31,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:25:31,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:25:31,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:25:31" (1/1) ... [2020-07-10 15:25:31,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106595d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:25:31, skipping insertion in model container [2020-07-10 15:25:31,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:25:31" (1/1) ... [2020-07-10 15:25:31,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:25:31,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:25:35,679 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-10 15:25:35,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@db0c835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:25:35, skipping insertion in model container [2020-07-10 15:25:35,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:25:35,680 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-10 15:25:35,684 INFO L168 Benchmark]: Toolchain (without parser) took 4381.67 ms. Allocated memory was 145.2 MB in the beginning and 240.1 MB in the end (delta: 94.9 MB). Free memory was 90.5 MB in the beginning and 168.8 MB in the end (delta: -78.3 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2020-07-10 15:25:35,685 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-10 15:25:35,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4375.92 ms. Allocated memory was 145.2 MB in the beginning and 240.1 MB in the end (delta: 94.9 MB). Free memory was 90.3 MB in the beginning and 168.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2020-07-10 15:25:35,688 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 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4375.92 ms. Allocated memory was 145.2 MB in the beginning and 240.1 MB in the end (delta: 94.9 MB). Free memory was 90.3 MB in the beginning and 168.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 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...