/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:41:11,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:41:11,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:41:11,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:41:11,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:41:11,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:41:11,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:41:11,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:41:11,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:41:11,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:41:11,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:41:11,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:41:11,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:41:11,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:41:11,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:41:11,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:41:11,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:41:11,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:41:11,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:41:11,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:41:11,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:41:11,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:41:11,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:41:11,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:41:11,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:41:11,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:41:11,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:41:11,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:41:11,257 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 [2020-10-23 18:41:11,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:41:11,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:41:11,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:41:11,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:41:11,287 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:41:11,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:41:11,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:41:11,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:41:11,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:41:11,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:41:11,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:41:11,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:41:11,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:41:11,290 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:41:11,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:41:11,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:41:11,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:41:11,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:41:11,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:41:11,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:41:11,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:41:11,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:41:11,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:41:11,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:41:11,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:41:11,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:41:11,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:41:11,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:41:11,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:41:11,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:41:11,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:41:11,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:41:11,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:41:11,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:41:11,783 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:41:11,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-23 18:41:11,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd38c5fc/42f4620f920840dda915b50e5a6cbe7c/FLAG1bcdc7d3b [2020-10-23 18:41:13,001 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:41:13,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-23 18:41:13,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd38c5fc/42f4620f920840dda915b50e5a6cbe7c/FLAG1bcdc7d3b [2020-10-23 18:41:13,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd38c5fc/42f4620f920840dda915b50e5a6cbe7c [2020-10-23 18:41:13,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:41:13,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:41:13,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:41:13,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:41:13,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:41:13,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:41:13" (1/1) ... [2020-10-23 18:41:13,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2096a9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:41:13, skipping insertion in model container [2020-10-23 18:41:13,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:41:13" (1/1) ... [2020-10-23 18:41:13,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:41:13,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:41:19,123 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-23 18:41:19,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76048fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:41:19, skipping insertion in model container [2020-10-23 18:41:19,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:41:19,124 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-23 18:41:19,127 INFO L168 Benchmark]: Toolchain (without parser) took 5792.99 ms. Allocated memory is still 152.0 MB. Free memory was 115.2 MB in the beginning and 88.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:41:19,128 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:41:19,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5781.83 ms. Allocated memory is still 152.0 MB. Free memory was 114.6 MB in the beginning and 88.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:41:19,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 5781.83 ms. Allocated memory is still 152.0 MB. Free memory was 114.6 MB in the beginning and 88.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 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...