/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:36:42,417 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 11:36:42,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:36:42,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:36:42,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:36:42,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:36:42,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:36:42,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:36:42,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:36:42,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:36:42,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:36:42,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:36:42,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:36:42,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:36:42,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:36:42,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:36:42,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:36:42,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:36:42,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:36:42,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:36:42,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:36:42,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:36:42,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:36:42,501 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 [2020-07-21 11:36:42,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:36:42,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:36:42,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:36:42,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:36:42,539 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:36:42,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:36:42,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:36:42,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:36:42,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:36:42,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:36:42,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:36:42,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:36:42,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:36:42,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:36:42,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:36:42,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:36:42,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:36:42,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:36:42,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:36:42,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:36:42,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:36:42,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:36:42,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:36:42,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:36:42,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:36:42,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:36:42,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:36:42,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:36:42,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:36:42,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:36:42,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:36:42,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:36:42,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:36:42,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:36:42,858 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:36:42,858 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-07-21 11:36:42,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a3ae9a/3dd22f55d392426b9f326374695dd18b/FLAG74b416d4a [2020-07-21 11:36:43,830 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:36:43,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-07-21 11:36:43,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a3ae9a/3dd22f55d392426b9f326374695dd18b/FLAG74b416d4a [2020-07-21 11:36:44,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41a3ae9a/3dd22f55d392426b9f326374695dd18b [2020-07-21 11:36:44,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:36:44,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:36:44,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:36:44,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:36:44,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:36:44,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:44" (1/1) ... [2020-07-21 11:36:44,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:44, skipping insertion in model container [2020-07-21 11:36:44,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:44" (1/1) ... [2020-07-21 11:36:44,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:36:44,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:36:47,635 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-21 11:36:47,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@544f3a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:47, skipping insertion in model container [2020-07-21 11:36:47,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:36:47,636 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-21 11:36:47,639 INFO L168 Benchmark]: Toolchain (without parser) took 3379.01 ms. Allocated memory was 136.8 MB in the beginning and 231.2 MB in the end (delta: 94.4 MB). Free memory was 89.4 MB in the beginning and 173.9 MB in the end (delta: -84.5 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:47,640 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:36:47,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3375.37 ms. Allocated memory was 136.8 MB in the beginning and 231.2 MB in the end (delta: 94.4 MB). Free memory was 89.0 MB in the beginning and 173.9 MB in the end (delta: -84.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:36:47,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3375.37 ms. Allocated memory was 136.8 MB in the beginning and 231.2 MB in the end (delta: 94.4 MB). Free memory was 89.0 MB in the beginning and 173.9 MB in the end (delta: -84.9 MB). Peak memory consumption was 39.8 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...