/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -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 0.1.25-5644d1e-m [2020-08-18 22:49:43,038 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 22:49:43,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:49:43,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:49:43,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:49:43,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:49:43,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:49:43,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:49:43,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:49:43,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:49:43,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:49:43,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:49:43,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:49:43,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:49:43,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 22:49:43,155 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 [2020-08-18 22:49:43,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:49:43,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:49:43,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:49:43,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:49:43,198 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:49:43,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:49:43,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:49:43,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:49:43,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:49:43,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:49:43,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:49:43,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:49:43,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:49:43,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:49:43,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:49:43,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:49:43,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:49:43,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:49:43,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:49:43,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:49:43,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:49:43,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:49:43,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:49:43,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:49:43,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:49:43,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:49:43,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:49:43,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:49:43,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:49:43,204 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=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:49:43,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:49:43,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:49:43,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:49:43,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:49:43,506 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:49:43,507 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-08-18 22:49:43,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1217c6c29/c80a5d06dabe411cb9eca0383f629c05/FLAGd009b0936 [2020-08-18 22:49:44,367 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:49:44,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-08-18 22:49:44,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1217c6c29/c80a5d06dabe411cb9eca0383f629c05/FLAGd009b0936 [2020-08-18 22:49:44,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1217c6c29/c80a5d06dabe411cb9eca0383f629c05 [2020-08-18 22:49:44,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:49:44,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:49:44,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:49:44,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:49:44,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:49:44,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:49:44" (1/1) ... [2020-08-18 22:49:44,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3873441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:49:44, skipping insertion in model container [2020-08-18 22:49:44,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:49:44" (1/1) ... [2020-08-18 22:49:44,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:49:45,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:49:48,741 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-18 22:49:48,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ddd5c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:49:48, skipping insertion in model container [2020-08-18 22:49:48,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:49:48,742 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 22:49:48,745 INFO L168 Benchmark]: Toolchain (without parser) took 3791.65 ms. Allocated memory was 141.0 MB in the beginning and 238.6 MB in the end (delta: 97.5 MB). Free memory was 92.6 MB in the beginning and 180.4 MB in the end (delta: -87.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2020-08-18 22:49:48,747 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 22:49:48,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3788.64 ms. Allocated memory was 141.0 MB in the beginning and 238.6 MB in the end (delta: 97.5 MB). Free memory was 92.4 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:49:48,751 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3788.64 ms. Allocated memory was 141.0 MB in the beginning and 238.6 MB in the end (delta: 97.5 MB). Free memory was 92.4 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 40.7 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...