./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_read_nvram_write_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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 10:12:35,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 10:12:35,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 10:12:35,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 10:12:35,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 10:12:35,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 10:12:35,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 10:12:35,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 10:12:35,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 10:12:35,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 10:12:35,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 10:12:35,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 10:12:35,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 10:12:35,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 10:12:35,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 10:12:35,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 10:12:35,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 10:12:35,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 10:12:35,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 10:12:35,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 10:12:35,631 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 10:12:35,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 10:12:35,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 10:12:35,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 10:12:35,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 10:12:35,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 10:12:35,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 10:12:35,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 10:12:35,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 10:12:35,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 10:12:35,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 10:12:35,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 10:12:35,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 10:12:35,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 10:12:35,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 10:12:35,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 10:12:35,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 10:12:35,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 10:12:35,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 10:12:35,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 10:12:35,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 10:12:35,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 10:12:35,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 10:12:35,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 10:12:35,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 10:12:35,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 10:12:35,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 10:12:35,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 10:12:35,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 10:12:35,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 10:12:35,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 10:12:35,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 10:12:35,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 10:12:35,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 10:12:35,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 10:12:35,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 10:12:35,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 10:12:35,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 10:12:35,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 10:12:35,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 10:12:35,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 10:12:35,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 10:12:35,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 10:12:35,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 10:12:35,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:12:35,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 10:12:35,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 10:12:35,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 10:12:35,683 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 10:12:35,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 10:12:35,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 10:12:35,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-07-12 10:12:35,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 10:12:35,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 10:12:35,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 10:12:35,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 10:12:35,935 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 10:12:35,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-07-12 10:12:35,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5c147c0/d02478a459154d2393dc742c75945e39/FLAG9aee8b96a [2022-07-12 10:12:36,484 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 10:12:36,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-07-12 10:12:36,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5c147c0/d02478a459154d2393dc742c75945e39/FLAG9aee8b96a [2022-07-12 10:12:36,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5c147c0/d02478a459154d2393dc742c75945e39 [2022-07-12 10:12:36,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 10:12:36,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 10:12:36,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 10:12:36,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 10:12:36,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 10:12:36,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:12:36" (1/1) ... [2022-07-12 10:12:36,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9a33e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:12:36, skipping insertion in model container [2022-07-12 10:12:36,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:12:36" (1/1) ... [2022-07-12 10:12:36,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 10:12:36,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 10:12:37,062 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_read_nvram_write_nvram.i[5469,5482] [2022-07-12 10:12:38,669 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-12 10:12:38,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5237719f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:12:38, skipping insertion in model container [2022-07-12 10:12:38,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 10:12:38,670 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-12 10:12:38,671 INFO L158 Benchmark]: Toolchain (without parser) took 1940.25ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 66.4MB in the beginning and 123.0MB in the end (delta: -56.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-12 10:12:38,671 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 10:12:38,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1938.67ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 66.3MB in the beginning and 123.0MB in the end (delta: -56.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-12 10:12:38,673 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 115.3MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1938.67ms. Allocated memory was 115.3MB in the beginning and 161.5MB in the end (delta: 46.1MB). Free memory was 66.3MB in the beginning and 123.0MB in the end (delta: -56.7MB). Peak memory consumption was 25.2MB. 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_read_nvram_write_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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 10:12:40,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 10:12:40,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 10:12:40,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 10:12:40,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 10:12:40,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 10:12:40,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 10:12:40,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 10:12:40,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 10:12:40,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 10:12:40,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 10:12:40,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 10:12:40,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 10:12:40,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 10:12:40,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 10:12:40,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 10:12:40,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 10:12:40,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 10:12:40,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 10:12:40,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 10:12:40,085 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 10:12:40,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 10:12:40,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 10:12:40,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 10:12:40,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 10:12:40,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 10:12:40,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 10:12:40,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 10:12:40,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 10:12:40,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 10:12:40,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 10:12:40,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 10:12:40,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 10:12:40,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 10:12:40,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 10:12:40,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 10:12:40,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 10:12:40,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 10:12:40,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 10:12:40,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 10:12:40,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 10:12:40,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 10:12:40,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 10:12:40,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 10:12:40,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 10:12:40,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 10:12:40,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 10:12:40,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 10:12:40,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 10:12:40,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 10:12:40,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 10:12:40,127 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 10:12:40,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 10:12:40,127 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 10:12:40,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 10:12:40,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 10:12:40,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 10:12:40,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 10:12:40,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 10:12:40,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 10:12:40,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 10:12:40,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 10:12:40,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 10:12:40,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 10:12:40,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:12:40,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 10:12:40,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 10:12:40,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 10:12:40,135 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 10:12:40,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 10:12:40,136 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 10:12:40,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 10:12:40,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 10:12:40,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 10:12:40,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-07-12 10:12:40,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 10:12:40,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 10:12:40,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 10:12:40,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 10:12:40,417 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 10:12:40,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-07-12 10:12:40,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cd501e9/bb59468466f24eeea02c939f76d9e3f2/FLAG1e013350f [2022-07-12 10:12:41,065 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 10:12:41,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-07-12 10:12:41,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cd501e9/bb59468466f24eeea02c939f76d9e3f2/FLAG1e013350f [2022-07-12 10:12:41,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cd501e9/bb59468466f24eeea02c939f76d9e3f2 [2022-07-12 10:12:41,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 10:12:41,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 10:12:41,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 10:12:41,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 10:12:41,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 10:12:41,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:12:41" (1/1) ... [2022-07-12 10:12:41,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148baa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:12:41, skipping insertion in model container [2022-07-12 10:12:41,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:12:41" (1/1) ... [2022-07-12 10:12:41,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 10:12:41,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 10:12:41,816 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_read_nvram_write_nvram.i[5469,5482] [2022-07-12 10:12:43,165 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-12 10:12:43,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@285e3ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:12:43, skipping insertion in model container [2022-07-12 10:12:43,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 10:12:43,166 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-12 10:12:43,167 INFO L158 Benchmark]: Toolchain (without parser) took 1671.23ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 42.4MB in the end (delta: -12.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-07-12 10:12:43,168 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 10:12:43,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1669.37ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 42.4MB in the end (delta: -12.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-07-12 10:12:43,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1669.37ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 42.4MB in the end (delta: -12.5MB). Peak memory consumption was 21.9MB. 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