./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:34:31,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:34:31,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:34:31,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:34:31,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:34:31,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:34:31,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:34:31,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:34:31,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:34:31,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:34:31,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:34:31,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:34:31,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:34:31,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:34:31,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:34:31,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:34:31,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:34:31,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:34:31,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:34:31,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:34:31,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:34:31,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:34:31,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:34:31,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:34:31,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:34:31,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:34:31,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:34:31,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:34:31,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:34:31,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:34:31,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:34:31,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:34:31,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:34:31,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:34:31,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:34:31,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:34:31,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:34:31,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:34:31,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:34:31,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:34:31,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:34:31,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:34:31,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:34:31,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:34:31,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:34:31,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:34:31,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:34:31,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:34:31,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:34:31,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:34:31,303 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:34:31,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:34:31,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:34:31,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:34:31,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:34:31,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:34:31,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:34:31,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:34:31,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:34:31,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:34:31,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:34:31,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:34:31,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:34:31,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:34:31,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:34:31,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:34:31,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:34:31,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:34:31,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:34:31,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:34:31,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:34:31,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-12-22 13:34:31,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:34:31,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:34:31,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:34:31,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:34:31,529 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:34:31,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-22 13:34:31,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ba017c3/292eb086a1eb4b5eb763a254ea06fb0e/FLAGb057e5981 [2021-12-22 13:34:32,096 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:34:32,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-22 13:34:32,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ba017c3/292eb086a1eb4b5eb763a254ea06fb0e/FLAGb057e5981 [2021-12-22 13:34:32,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00ba017c3/292eb086a1eb4b5eb763a254ea06fb0e [2021-12-22 13:34:32,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:34:32,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:34:32,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:32,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:34:32,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:34:32,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:32" (1/1) ... [2021-12-22 13:34:32,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b7b46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:32, skipping insertion in model container [2021-12-22 13:34:32,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:32" (1/1) ... [2021-12-22 13:34:32,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:34:32,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:34:32,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-12-22 13:34:34,383 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-22 13:34:34,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58da274d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:34, skipping insertion in model container [2021-12-22 13:34:34,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:34,384 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 13:34:34,386 INFO L158 Benchmark]: Toolchain (without parser) took 2090.29ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-22 13:34:34,386 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:34:34,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2088.51ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-22 13:34:34,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2088.51ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:34:36,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:34:36,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:34:36,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:34:36,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:34:36,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:34:36,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:34:36,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:34:36,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:34:36,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:34:36,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:34:36,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:34:36,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:34:36,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:34:36,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:34:36,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:34:36,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:34:36,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:34:36,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:34:36,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:34:36,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:34:36,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:34:36,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:34:36,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:34:36,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:34:36,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:34:36,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:34:36,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:34:36,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:34:36,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:34:36,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:34:36,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:34:36,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:34:36,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:34:36,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:34:36,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:34:36,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:34:36,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:34:36,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:34:36,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:34:36,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:34:36,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 13:34:36,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:34:36,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:34:36,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:34:36,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:34:36,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:34:36,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:34:36,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:34:36,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:34:36,163 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:34:36,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:34:36,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:34:36,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:34:36,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:34:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 13:34:36,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:34:36,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:34:36,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:34:36,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:34:36,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:34:36,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:34:36,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:34:36,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:34:36,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:34:36,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:34:36,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:34:36,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 13:34:36,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 13:34:36,168 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:34:36,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:34:36,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:34:36,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:34:36,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 13:34:36,169 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-12-22 13:34:36,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:34:36,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:34:36,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:34:36,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:34:36,471 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:34:36,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-22 13:34:36,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8eb22021/f62d13e7599a402d9f1efb38e8968acd/FLAGc5181845b [2021-12-22 13:34:37,145 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:34:37,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-22 13:34:37,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8eb22021/f62d13e7599a402d9f1efb38e8968acd/FLAGc5181845b [2021-12-22 13:34:37,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8eb22021/f62d13e7599a402d9f1efb38e8968acd [2021-12-22 13:34:37,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:34:37,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:34:37,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:37,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:34:37,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:34:37,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:37" (1/1) ... [2021-12-22 13:34:37,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678551d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:37, skipping insertion in model container [2021-12-22 13:34:37,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:37" (1/1) ... [2021-12-22 13:34:37,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:34:37,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:34:37,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-12-22 13:34:39,244 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-22 13:34:39,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d092e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:39, skipping insertion in model container [2021-12-22 13:34:39,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:39,245 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 13:34:39,247 INFO L158 Benchmark]: Toolchain (without parser) took 1915.91ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 44.5MB in the beginning and 77.2MB in the end (delta: -32.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-12-22 13:34:39,248 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:34:39,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1912.92ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 44.3MB in the beginning and 77.2MB in the end (delta: -32.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-12-22 13:34:39,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1912.92ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 44.3MB in the beginning and 77.2MB in the end (delta: -32.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN