/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 06:07:31,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 06:07:31,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 06:07:31,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 06:07:31,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 06:07:31,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 06:07:31,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 06:07:31,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 06:07:31,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 06:07:31,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 06:07:31,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 06:07:31,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 06:07:31,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 06:07:31,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 06:07:31,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 06:07:31,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 06:07:31,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 06:07:31,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 06:07:31,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 06:07:31,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 06:07:31,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 06:07:31,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 06:07:31,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 06:07:31,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 06:07:31,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 06:07:31,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-02-10 06:07:31,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 06:07:31,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 06:07:31,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 06:07:31,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 06:07:31,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 06:07:31,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 06:07:31,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 06:07:31,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 06:07:31,279 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 06:07:31,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 06:07:31,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 06:07:31,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 06:07:31,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 06:07:31,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 06:07:31,282 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 06:07:31,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 06:07:31,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 06:07:31,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 06:07:31,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 06:07:31,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 06:07:31,482 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 06:07:31,483 INFO L432 ainManager$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 [2022-02-10 06:07:31,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1ec75a4/53fec6f22032421eb5c07aedc401c8b2/FLAG266d5f619 [2022-02-10 06:07:32,190 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 06:07:32,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-02-10 06:07:32,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1ec75a4/53fec6f22032421eb5c07aedc401c8b2/FLAG266d5f619 [2022-02-10 06:07:32,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1ec75a4/53fec6f22032421eb5c07aedc401c8b2 [2022-02-10 06:07:32,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 06:07:32,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 06:07:32,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 06:07:32,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 06:07:32,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 06:07:32,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 06:07:32" (1/1) ... [2022-02-10 06:07:32,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e065e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:07:32, skipping insertion in model container [2022-02-10 06:07:32,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 06:07:32" (1/1) ... [2022-02-10 06:07:32,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 06:07:32,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 06:07:32,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-02-10 06:07:34,321 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-02-10 06:07:34,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a4256ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:07:34, skipping insertion in model container [2022-02-10 06:07:34,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 06:07:34,322 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-10 06:07:34,323 INFO L158 Benchmark]: Toolchain (without parser) took 2029.61ms. Allocated memory is still 186.6MB. Free memory was 155.5MB in the beginning and 123.8MB in the end (delta: 31.7MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-02-10 06:07:34,324 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 06:07:34,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2027.24ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 124.3MB in the end (delta: 30.7MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-10 06:07:34,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2027.24ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 124.3MB in the end (delta: 30.7MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * 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...