/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_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:50:55,133 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-25 06:50:55,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:50:55,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:50:55,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:50:55,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:50:55,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:50:55,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:50:55,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:50:55,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:50:55,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:50:55,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:50:55,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:50:55,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:50:55,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:50:55,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:50:55,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:50:55,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:50:55,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:50:55,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:50:55,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:50:55,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:50:55,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 06:50:55,215 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 06:50:55,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:50:55,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:50:55,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:50:55,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:50:55,278 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:50:55,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:50:55,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:50:55,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:50:55,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:50:55,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:50:55,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:50:55,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:50:55,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:50:55,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:50:55,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:50:55,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:50:55,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:50:55,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:50:55,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:50:55,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:50:55,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:50:55,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:50:55,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:50:55,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:50:55,285 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 06:50:55,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:50:55,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:50:55,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:50:55,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:50:55,855 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:50:55,856 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-09-25 06:50:55,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1b4cbc03/2e07d948930a43d0a46dc947826a198c/FLAG385f63975 [2020-09-25 06:50:56,817 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:50:56,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-09-25 06:50:56,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1b4cbc03/2e07d948930a43d0a46dc947826a198c/FLAG385f63975 [2020-09-25 06:50:57,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1b4cbc03/2e07d948930a43d0a46dc947826a198c [2020-09-25 06:50:57,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:50:57,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:50:57,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:50:57,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:50:57,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:50:57,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:50:57" (1/1) ... [2020-09-25 06:50:57,341 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 06:50:57, skipping insertion in model container [2020-09-25 06:50:57,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:50:57" (1/1) ... [2020-09-25 06:50:57,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:50:57,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:51:01,198 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-25 06:51:01,199 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 06:51:01, skipping insertion in model container [2020-09-25 06:51:01,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:51:01,200 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 06:51:01,208 INFO L168 Benchmark]: Toolchain (without parser) took 3877.41 ms. Allocated memory was 141.6 MB in the beginning and 240.6 MB in the end (delta: 99.1 MB). Free memory was 93.3 MB in the beginning and 183.4 MB in the end (delta: -90.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:01,209 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 06:51:01,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3869.66 ms. Allocated memory was 141.6 MB in the beginning and 240.6 MB in the end (delta: 99.1 MB). Free memory was 92.7 MB in the beginning and 183.4 MB in the end (delta: -90.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-09-25 06:51:01,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3869.66 ms. Allocated memory was 141.6 MB in the beginning and 240.6 MB in the end (delta: 99.1 MB). Free memory was 92.7 MB in the beginning and 183.4 MB in the end (delta: -90.7 MB). Peak memory consumption was 40.6 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...