./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:15,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:15,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:15,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:15,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:15,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:15,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:15,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:15,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:15,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:15,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:15,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:15,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:15,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:15,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:15,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:15,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:15,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:15,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:15,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:15,578 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:15,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:15,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:15,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:15,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:15,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:15,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:15,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:15,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:15,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:15,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:15,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:15,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:15,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:15,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:15,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:15,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:15,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:15,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:15,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:15,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:15,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:15,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:08:15,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:15,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:15,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:15,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:15,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:15,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:15,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:15,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:15,638 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:15,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:15,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:15,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:15,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:15,640 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:15,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:15,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:15,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:15,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:15,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:15,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:15,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:08:15,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:15,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:15,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:15,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:15,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:15,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:15,644 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:15,645 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:15,645 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-04-18 17:08:15,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:15,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:15,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:15,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:15,907 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:15,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 17:08:15,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ad5d4a110/b217f84942cd4caeb89b394c0cfa345d/FLAG388afccfb [2022-04-18 17:08:16,473 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:16,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 17:08:16,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ad5d4a110/b217f84942cd4caeb89b394c0cfa345d/FLAG388afccfb [2022-04-18 17:08:16,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ad5d4a110/b217f84942cd4caeb89b394c0cfa345d [2022-04-18 17:08:16,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:16,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:16,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:16,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:16,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:16,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:16" (1/1) ... [2022-04-18 17:08:16,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4714d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:16, skipping insertion in model container [2022-04-18 17:08:16,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:16" (1/1) ... [2022-04-18 17:08:16,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:16,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:17,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-04-18 17:08:18,753 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:18,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@607587d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:18, skipping insertion in model container [2022-04-18 17:08:18,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:18,754 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:18,755 INFO L158 Benchmark]: Toolchain (without parser) took 2058.40ms. Allocated memory is still 98.6MB. Free memory was 51.2MB in the beginning and 44.8MB in the end (delta: 6.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-04-18 17:08:18,756 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:18,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2056.05ms. Allocated memory is still 98.6MB. Free memory was 51.0MB in the beginning and 44.8MB in the end (delta: 6.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-04-18 17:08:18,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2056.05ms. Allocated memory is still 98.6MB. Free memory was 51.0MB in the beginning and 44.8MB in the end (delta: 6.2MB). Peak memory consumption was 25.7MB. 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 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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:08:20,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:08:20,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:08:20,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:08:20,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:08:20,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:08:20,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:08:20,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:08:20,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:08:20,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:08:20,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:08:20,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:08:20,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:08:20,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:08:20,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:08:20,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:08:20,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:08:20,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:08:20,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:08:20,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:08:20,240 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:08:20,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:08:20,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:08:20,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:08:20,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:08:20,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:08:20,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:08:20,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:08:20,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:08:20,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:08:20,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:08:20,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:08:20,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:08:20,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:08:20,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:08:20,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:08:20,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:08:20,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:08:20,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:08:20,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:08:20,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:08:20,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:08:20,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:08:20,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:08:20,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:08:20,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:08:20,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:08:20,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:08:20,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:08:20,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:08:20,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:08:20,288 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:08:20,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:08:20,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:08:20,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:08:20,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:08:20,290 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:08:20,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:08:20,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:08:20,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:08:20,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:08:20,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:08:20,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:08:20,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:08:20,293 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:08:20,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:08:20,294 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2022-04-18 17:08:20,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:08:20,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:08:20,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:08:20,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:08:20,550 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:08:20,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 17:08:20,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/81b19c1dc/16ec8e4949654f03a38fb1327c35b703/FLAGf1d30f407 [2022-04-18 17:08:21,199 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:08:21,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2022-04-18 17:08:21,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/81b19c1dc/16ec8e4949654f03a38fb1327c35b703/FLAGf1d30f407 [2022-04-18 17:08:21,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/81b19c1dc/16ec8e4949654f03a38fb1327c35b703 [2022-04-18 17:08:21,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:08:21,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:08:21,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:21,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:08:21,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:08:21,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:21" (1/1) ... [2022-04-18 17:08:21,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cece776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:21, skipping insertion in model container [2022-04-18 17:08:21,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:08:21" (1/1) ... [2022-04-18 17:08:21,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:08:21,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:08:22,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2022-04-18 17:08:24,115 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 17:08:24,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e5bd7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:08:24, skipping insertion in model container [2022-04-18 17:08:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:08:24,117 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 17:08:24,119 INFO L158 Benchmark]: Toolchain (without parser) took 2490.61ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 30.4MB in the end (delta: 5.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:24,119 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:08:24,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2489.06ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 30.4MB in the end (delta: 5.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-04-18 17:08:24,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2489.06ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 30.4MB in the end (delta: 5.6MB). Peak memory consumption was 27.1MB. 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