/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:50:54,142 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-25 06:50:54,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:50:54,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:50:54,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:50:54,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:50:54,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:50:54,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:50:54,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:50:54,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:50:54,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:50:54,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:50:54,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:50:54,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:50:54,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:50:54,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:50:54,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:50:54,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:50:54,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:50:54,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:50:54,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:50:54,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:50:54,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 06:50:54,276 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 [2020-09-25 06:50:54,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:50:54,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:50:54,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:50:54,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:50:54,325 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:50:54,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:50:54,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:50:54,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:50:54,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:50:54,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:50:54,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:50:54,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:50:54,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:50:54,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:50:54,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:50:54,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:50:54,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:50:54,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:50:54,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:50:54,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:50:54,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:50:54,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:50:54,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:50:54,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:50:54,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:50:54,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:50:54,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:50:54,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:50:54,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:50:54,331 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:50:54,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:50:54,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:50:54,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:50:54,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:50:54,853 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:50:54,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-09-25 06:50:54,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d0b8e4c/2f6b85e25ad14bb683c3f5f5578aeedc/FLAG34326b374 [2020-09-25 06:50:55,920 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:50:55,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-09-25 06:50:55,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d0b8e4c/2f6b85e25ad14bb683c3f5f5578aeedc/FLAG34326b374 [2020-09-25 06:50:56,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d0b8e4c/2f6b85e25ad14bb683c3f5f5578aeedc [2020-09-25 06:50:56,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:50:56,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:50:56,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:50:56,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:50:56,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:50:56,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:50:56" (1/1) ... [2020-09-25 06:50:56,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481e6313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:50:56, skipping insertion in model container [2020-09-25 06:50:56,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:50:56" (1/1) ... [2020-09-25 06:50:56,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:50:56,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:51:00,097 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-25 06:51:00,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75590347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:51:00, skipping insertion in model container [2020-09-25 06:51:00,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:51:00,098 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 06:51:00,102 INFO L168 Benchmark]: Toolchain (without parser) took 3802.66 ms. Allocated memory was 145.2 MB in the beginning and 234.9 MB in the end (delta: 89.7 MB). Free memory was 91.5 MB in the beginning and 176.6 MB in the end (delta: -85.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:00,103 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 06:51:00,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3794.54 ms. Allocated memory was 145.2 MB in the beginning and 234.9 MB in the end (delta: 89.7 MB). Free memory was 90.9 MB in the beginning and 176.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:00,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3794.54 ms. Allocated memory was 145.2 MB in the beginning and 234.9 MB in the end (delta: 89.7 MB). Free memory was 90.9 MB in the beginning and 176.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 40.8 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...