./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:24:58,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:24:58,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:24:58,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:24:58,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:24:58,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:24:58,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:24:58,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:24:58,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:24:58,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:24:58,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:24:58,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:24:58,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:24:58,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:24:58,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:24:58,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:24:58,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:24:58,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:24:58,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:24:58,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:24:58,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:24:58,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:24:58,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:24:58,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:24:58,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:24:58,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:24:58,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:24:58,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:24:58,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:24:58,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:24:58,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:24:58,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:24:58,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:24:58,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:24:58,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:24:58,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:24:58,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:24:58,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:24:58,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:24:58,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:24:58,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:24:58,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:24:58,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:24:58,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:24:58,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:24:58,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:24:58,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:24:58,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:24:58,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:24:58,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:24:58,975 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:24:58,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:24:58,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:24:58,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:24:58,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:24:58,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:24:58,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:24:58,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:24:58,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:24:58,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:24:58,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:24:58,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:24:58,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:24:58,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:24:58,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:24:58,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:24:58,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-12-17 22:24:59,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:24:59,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:24:59,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:24:59,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:24:59,209 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:24:59,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-17 22:24:59,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773696d2a/22d097e973da4858a73666369e2ad7b5/FLAG07fb41911 [2021-12-17 22:24:59,808 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:24:59,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-17 22:24:59,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773696d2a/22d097e973da4858a73666369e2ad7b5/FLAG07fb41911 [2021-12-17 22:25:00,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773696d2a/22d097e973da4858a73666369e2ad7b5 [2021-12-17 22:25:00,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:25:00,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:25:00,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:25:00,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:25:00,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:25:00,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:25:00" (1/1) ... [2021-12-17 22:25:00,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe8f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:25:00, skipping insertion in model container [2021-12-17 22:25:00,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:25:00" (1/1) ... [2021-12-17 22:25:00,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:25:00,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:25:00,396 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_write_nvram.i[5469,5482] [2021-12-17 22:25:02,025 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-17 22:25:02,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d492a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:25:02, skipping insertion in model container [2021-12-17 22:25:02,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:25:02,026 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-17 22:25:02,028 INFO L158 Benchmark]: Toolchain (without parser) took 1993.39ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 69.8MB in the end (delta: -29.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-12-17 22:25:02,028 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:25:02,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1991.30ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 69.8MB in the end (delta: -29.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-12-17 22:25:02,030 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 83.9MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1991.30ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 69.8MB in the end (delta: -29.7MB). Peak memory consumption was 20.8MB. 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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:25:03,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:25:03,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:25:03,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:25:03,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:25:03,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:25:03,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:25:03,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:25:03,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:25:03,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:25:03,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:25:03,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:25:03,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:25:03,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:25:03,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:25:03,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:25:03,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:25:03,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:25:03,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:25:03,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:25:03,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:25:03,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:25:03,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:25:03,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:25:03,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:25:03,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:25:03,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:25:03,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:25:03,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:25:03,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:25:03,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:25:03,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:25:03,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:25:03,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:25:03,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:25:03,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:25:03,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:25:03,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:25:03,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:25:03,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:25:03,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:25:03,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 22:25:03,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:25:03,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:25:03,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:25:03,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:25:03,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:25:03,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:25:03,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:25:03,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:25:03,678 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:25:03,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:25:03,678 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:25:03,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:25:03,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:25:03,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:25:03,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:25:03,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:25:03,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 22:25:03,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-12-17 22:25:03,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:25:03,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:25:03,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:25:03,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:25:03,947 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:25:03,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-17 22:25:03,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9d2df9c/aecf7d25bd3d4c74a3a3a5559323b483/FLAG70d4d7cfc [2021-12-17 22:25:04,584 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:25:04,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-17 22:25:04,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9d2df9c/aecf7d25bd3d4c74a3a3a5559323b483/FLAG70d4d7cfc [2021-12-17 22:25:04,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9d2df9c/aecf7d25bd3d4c74a3a3a5559323b483 [2021-12-17 22:25:04,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:25:04,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:25:04,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:25:04,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:25:04,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:25:04,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:25:04" (1/1) ... [2021-12-17 22:25:04,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dd5c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:25:04, skipping insertion in model container [2021-12-17 22:25:04,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:25:04" (1/1) ... [2021-12-17 22:25:04,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:25:04,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:25:05,264 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_write_nvram.i[5469,5482] [2021-12-17 22:25:07,275 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-17 22:25:07,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ad0cf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:25:07, skipping insertion in model container [2021-12-17 22:25:07,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:25:07,277 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-17 22:25:07,278 INFO L158 Benchmark]: Toolchain (without parser) took 2478.71ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.8MB in the beginning and 53.3MB in the end (delta: -18.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-17 22:25:07,279 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:25:07,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2476.59ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.5MB in the beginning and 53.3MB in the end (delta: -18.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-17 22:25:07,282 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 65.0MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2476.59ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 34.5MB in the beginning and 53.3MB in the end (delta: -18.8MB). Peak memory consumption was 21.6MB. 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