/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 10:15:19,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:15:19,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:15:19,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:15:19,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:15:19,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:15:19,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:15:19,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:15:19,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:15:19,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:15:19,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:15:19,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:15:19,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:15:19,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:15:19,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:15:19,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:15:19,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:15:19,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:15:19,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:15:19,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:15:19,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:15:19,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:15:19,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:15:19,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:15:19,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 10:15:19,262 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 10:15:19,290 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:15:19,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:15:19,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:15:19,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:15:19,293 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:15:19,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:15:19,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:15:19,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:15:19,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:15:19,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:15:19,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:15:19,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:15:19,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:15:19,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:15:19,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:15:19,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:15:19,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:15:19,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:15:19,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:15:19,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:15:19,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:15:19,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:15:19,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:15:19,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:15:19,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:15:19,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:15:19,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:15:19,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:15:19,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:15:19,298 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:15:19,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:15:19,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:15:19,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:15:19,873 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:15:19,875 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:15:19,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-09-25 10:15:19,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c305c12cf/442bd4ab3344471795f783903ffd3342/FLAG47441cc73 [2020-09-25 10:15:20,829 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:15:20,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-09-25 10:15:20,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c305c12cf/442bd4ab3344471795f783903ffd3342/FLAG47441cc73 [2020-09-25 10:15:21,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c305c12cf/442bd4ab3344471795f783903ffd3342 [2020-09-25 10:15:21,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:15:21,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:15:21,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:15:21,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:15:21,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:15:21,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:15:21" (1/1) ... [2020-09-25 10:15:21,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e45435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:21, skipping insertion in model container [2020-09-25 10:15:21,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:15:21" (1/1) ... [2020-09-25 10:15:21,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:15:21,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:15:25,410 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-25 10:15:25,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42efb58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:25, skipping insertion in model container [2020-09-25 10:15:25,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:15:25,413 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 10:15:25,417 INFO L168 Benchmark]: Toolchain (without parser) took 4027.15 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 90.3 MB in the beginning and 175.8 MB in the end (delta: -85.5 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-09-25 10:15:25,418 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 10:15:25,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4019.22 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 89.7 MB in the beginning and 175.8 MB in the end (delta: -86.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2020-09-25 10:15:25,424 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 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4019.22 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 89.7 MB in the beginning and 175.8 MB in the end (delta: -86.1 MB). Peak memory consumption was 40.1 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...