./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:35,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:35,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:35,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:35,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:35,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:35,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:35,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:35,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:35,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:35,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:35,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:35,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:35,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:35,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:35,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:35,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:35,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:35,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:35,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:35,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:35,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:35,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:35,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:35,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:35,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:35,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:35,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:35,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:35,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:35,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:35,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:35,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:35,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:35,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:35,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:35,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:35,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:35,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:35,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:35,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:35,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:53:35,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:35,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:35,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:35,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:35,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:35,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:35,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:35,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:35,502 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:35,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:35,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:35,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:35,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:35,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:35,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:35,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:35,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:35,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:53:35,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:53:35,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:35,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:35,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:35,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-12-28 02:53:35,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:35,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:35,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:35,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:35,774 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:35,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-28 02:53:35,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af7e7f28/dc0b3d9990094b8c91621404a69de05a/FLAG01991c5ee [2021-12-28 02:53:36,508 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:36,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-28 02:53:36,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af7e7f28/dc0b3d9990094b8c91621404a69de05a/FLAG01991c5ee [2021-12-28 02:53:36,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af7e7f28/dc0b3d9990094b8c91621404a69de05a [2021-12-28 02:53:36,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:36,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:36,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:36,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:36,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:36,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:36" (1/1) ... [2021-12-28 02:53:36,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217701f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:36, skipping insertion in model container [2021-12-28 02:53:36,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:36" (1/1) ... [2021-12-28 02:53:36,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:36,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:37,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-12-28 02:53:39,570 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:39,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8a04a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:39, skipping insertion in model container [2021-12-28 02:53:39,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:39,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:39,573 INFO L158 Benchmark]: Toolchain (without parser) took 2936.50ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 33.6MB in the beginning and 57.8MB in the end (delta: -24.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-28 02:53:39,573 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:39,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2933.34ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 33.5MB in the beginning and 58.2MB in the end (delta: -24.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-28 02:53:39,575 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 65.0MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2933.34ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 33.5MB in the beginning and 58.2MB in the end (delta: -24.8MB). 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:41,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:41,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:41,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:41,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:41,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:41,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:41,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:41,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:41,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:41,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:41,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:41,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:41,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:41,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:41,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:41,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:41,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:41,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:41,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:41,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:41,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:41,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:41,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:41,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:41,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:41,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:41,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:41,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:41,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:41,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:41,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:41,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:41,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:41,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:41,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:41,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:41,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:41,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:41,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:41,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:41,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-28 02:53:41,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:41,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:41,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:41,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:41,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:41,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:41,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:41,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:41,152 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:41,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:41,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:41,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:41,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:41,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:41,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:41,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:41,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:41,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:41,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:41,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:41,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:41,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:41,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:41,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 02:53:41,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 02:53:41,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:41,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:41,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:41,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 02:53:41,157 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-12-28 02:53:41,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:41,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:41,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:41,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:41,474 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:41,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-28 02:53:41,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb8e2070/1611c5ef4752436ead13cdf29c2cf94d/FLAG48bcae888 [2021-12-28 02:53:42,224 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:42,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-12-28 02:53:42,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb8e2070/1611c5ef4752436ead13cdf29c2cf94d/FLAG48bcae888 [2021-12-28 02:53:42,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb8e2070/1611c5ef4752436ead13cdf29c2cf94d [2021-12-28 02:53:42,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:42,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:42,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:42,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:42,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:42,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:42" (1/1) ... [2021-12-28 02:53:42,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:42, skipping insertion in model container [2021-12-28 02:53:42,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:42" (1/1) ... [2021-12-28 02:53:42,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:42,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:42,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-12-28 02:53:45,011 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:45,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6619f428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:45, skipping insertion in model container [2021-12-28 02:53:45,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:45,013 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:45,015 INFO L158 Benchmark]: Toolchain (without parser) took 2453.75ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 36.0MB in the beginning and 62.0MB in the end (delta: -26.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-12-28 02:53:45,016 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:45,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2450.46ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 62.0MB in the end (delta: -26.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-12-28 02:53:45,018 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 65.0MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2450.46ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 62.0MB in the end (delta: -26.1MB). Peak memory consumption was 30.7MB. 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