./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:39:57,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:39:57,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:39:57,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:39:57,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:39:57,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:39:57,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:39:57,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:39:57,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:39:57,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:39:57,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:39:57,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:39:57,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:39:57,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:39:57,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:39:57,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:39:57,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:39:57,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:39:57,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:39:57,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:39:57,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:39:57,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:39:57,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:39:57,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:39:57,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:39:57,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:39:57,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:39:57,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:39:57,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:39:57,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:39:57,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:39:57,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:39:57,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:39:57,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:39:57,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:39:57,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:39:57,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:39:57,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:39:57,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:39:57,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:39:57,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:39:57,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:39:57,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:39:57,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:39:57,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:39:57,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:39:57,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:39:57,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:39:57,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:39:57,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:39:57,722 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:39:57,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:39:57,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:39:57,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:39:57,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:39:57,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:39:57,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:39:57,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:39:57,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:39:57,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:39:57,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:39:57,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:39:57,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:39:57,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:39:57,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:39:57,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:39:57,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:39:57,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:39:57,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:39:57,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:39:57,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:39:57,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:39:57,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:39:57,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:39:57,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:39:57,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:39:57,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-14 16:39:57,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:39:57,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:39:57,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:39:57,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:39:57,939 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:39:57,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-14 16:39:58,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1f20a71/852c388c8e1f48f18e47d853b0585851/FLAG64781d4b1 [2021-12-14 16:39:58,627 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:39:58,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-14 16:39:58,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1f20a71/852c388c8e1f48f18e47d853b0585851/FLAG64781d4b1 [2021-12-14 16:39:58,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1f20a71/852c388c8e1f48f18e47d853b0585851 [2021-12-14 16:39:58,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:39:58,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:39:58,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:39:58,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:39:58,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:39:58,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:39:58" (1/1) ... [2021-12-14 16:39:58,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dee31c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:39:58, skipping insertion in model container [2021-12-14 16:39:58,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:39:58" (1/1) ... [2021-12-14 16:39:58,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:39:58,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:39:59,202 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_nvram_unlocked_ioctl.i[5469,5482] [2021-12-14 16:40:00,960 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-14 16:40:00,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51831a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:00, skipping insertion in model container [2021-12-14 16:40:00,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:00,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 16:40:00,965 INFO L158 Benchmark]: Toolchain (without parser) took 2171.17ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 2.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-14 16:40:00,966 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:40:00,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2167.80ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 70.4MB in the end (delta: 2.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-14 16:40:00,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2167.80ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 70.4MB in the end (delta: 2.8MB). Peak memory consumption was 26.2MB. 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_nvram_llseek_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:40:02,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:40:02,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:40:02,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:40:02,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:40:02,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:40:02,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:40:02,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:40:02,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:40:02,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:40:02,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:40:02,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:40:02,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:40:02,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:40:02,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:40:02,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:40:02,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:40:02,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:40:02,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:40:02,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:40:02,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:40:02,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:40:02,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:40:02,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:40:02,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:40:02,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:40:02,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:40:02,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:40:02,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:40:02,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:40:02,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:40:02,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:40:02,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:40:02,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:40:02,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:40:02,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:40:02,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:40:02,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:40:02,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:40:02,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:40:02,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:40:02,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-14 16:40:02,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:40:02,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:40:02,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:40:02,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:40:02,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:40:02,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:40:02,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:40:02,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:40:02,864 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:40:02,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:40:02,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:40:02,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:40:02,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:40:02,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 16:40:02,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:40:02,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:40:02,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:40:02,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:40:02,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:40:02,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:40:02,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:40:02,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:40:02,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:40:02,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:40:02,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:40:02,869 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 16:40:02,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 16:40:02,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:40:02,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:40:02,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:40:02,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:40:02,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 16:40:02,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-14 16:40:03,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:40:03,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:40:03,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:40:03,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:40:03,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:40:03,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-14 16:40:03,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65565e866/cd2bba96b16149599d8114ad32385943/FLAGf8cb5c4b1 [2021-12-14 16:40:03,881 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:40:03,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-14 16:40:03,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65565e866/cd2bba96b16149599d8114ad32385943/FLAGf8cb5c4b1 [2021-12-14 16:40:04,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65565e866/cd2bba96b16149599d8114ad32385943 [2021-12-14 16:40:04,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:40:04,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:40:04,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:04,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:40:04,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:40:04,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:04" (1/1) ... [2021-12-14 16:40:04,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48301d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:04, skipping insertion in model container [2021-12-14 16:40:04,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:04" (1/1) ... [2021-12-14 16:40:04,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:40:04,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:40:04,501 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_nvram_unlocked_ioctl.i[5469,5482] [2021-12-14 16:40:07,313 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-14 16:40:07,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b915002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:07, skipping insertion in model container [2021-12-14 16:40:07,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:07,315 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 16:40:07,317 INFO L158 Benchmark]: Toolchain (without parser) took 3288.98ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 47.7MB in the end (delta: -14.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-14 16:40:07,318 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:40:07,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3287.16ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 32.9MB in the beginning and 47.7MB in the end (delta: -14.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-14 16:40:07,321 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 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3287.16ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 32.9MB in the beginning and 47.7MB in the end (delta: -14.9MB). Peak memory consumption was 24.1MB. 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