/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 02:58:17,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 02:58:17,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 02:58:17,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 02:58:17,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 02:58:17,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 02:58:17,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 02:58:17,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 02:58:17,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 02:58:17,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 02:58:17,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 02:58:17,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 02:58:17,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 02:58:17,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 02:58:17,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 02:58:17,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 02:58:17,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 02:58:17,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 02:58:17,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 02:58:17,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 02:58:17,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 02:58:17,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 02:58:17,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 02:58:17,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 02:58:17,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 02:58:17,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 02:58:17,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 02:58:17,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 02:58:17,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 02:58:17,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 02:58:17,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 02:58:17,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 02:58:17,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 02:58:17,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 02:58:17,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 02:58:17,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 02:58:17,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 02:58:17,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 02:58:17,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 02:58:17,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 02:58:17,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 02:58:17,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 02:58:17,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 02:58:17,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 02:58:17,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 02:58:17,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 02:58:17,516 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 02:58:17,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 02:58:17,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 02:58:17,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 02:58:17,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 02:58:17,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 02:58:17,518 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 02:58:17,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 02:58:17,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 02:58:17,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 02:58:17,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 02:58:17,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 02:58:17,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 02:58:17,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 02:58:17,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 02:58:17,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 02:58:17,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 02:58:17,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 02:58:17,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 02:58:17,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 02:58:17,522 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-08-28 02:58:18,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 02:58:18,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 02:58:18,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 02:58:18,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 02:58:18,045 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 02:58:18,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-08-28 02:58:18,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba5cfd/9f05840e607247a192e952ec69221561/FLAGfa8c59750 [2020-08-28 02:58:19,196 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 02:58:19,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-08-28 02:58:19,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba5cfd/9f05840e607247a192e952ec69221561/FLAGfa8c59750 [2020-08-28 02:58:19,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba5cfd/9f05840e607247a192e952ec69221561 [2020-08-28 02:58:19,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 02:58:19,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 02:58:19,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 02:58:19,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 02:58:19,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 02:58:19,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:58:19" (1/1) ... [2020-08-28 02:58:19,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255e215a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:58:19, skipping insertion in model container [2020-08-28 02:58:19,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:58:19" (1/1) ... [2020-08-28 02:58:19,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 02:58:19,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 02:58:23,103 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-28 02:58:23,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fd51f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:58:23, skipping insertion in model container [2020-08-28 02:58:23,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 02:58:23,107 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-28 02:58:23,113 INFO L168 Benchmark]: Toolchain (without parser) took 3536.47 ms. Allocated memory was 137.9 MB in the beginning and 231.2 MB in the end (delta: 93.3 MB). Free memory was 90.2 MB in the beginning and 173.7 MB in the end (delta: -83.6 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2020-08-28 02:58:23,114 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 02:58:23,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3532.64 ms. Allocated memory was 137.9 MB in the beginning and 231.2 MB in the end (delta: 93.3 MB). Free memory was 90.0 MB in the beginning and 173.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-08-28 02:58:23,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3532.64 ms. Allocated memory was 137.9 MB in the beginning and 231.2 MB in the end (delta: 93.3 MB). Free memory was 90.0 MB in the beginning and 173.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 41.6 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...