./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:44,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:44,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:44,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:44,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:44,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:44,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:44,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:44,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:44,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:44,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:44,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:44,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:44,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:44,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:44,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:44,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:44,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:44,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:44,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:44,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:44,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:44,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:44,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:44,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:44,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:44,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:44,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:44,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:44,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:44,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:44,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:44,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:44,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:44,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:44,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:44,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:44,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:44,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:44,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:44,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:44,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:44,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:44,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:44,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:44,273 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:44,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:44,273 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:44,273 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:44,274 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:44,274 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:44,274 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:44,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:44,275 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:44,276 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:44,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:44,276 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:44,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:44,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:44,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:44,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:44,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:44,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:44,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:44,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:44,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:44,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:44,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:44,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:44,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:44,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:44,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:44,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:44,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:44,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:44,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:44,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:44,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:44,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:44,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:44,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:44,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-11 02:24:44,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:44,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:44,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:44,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:44,686 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:44,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-11 02:24:44,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/25cc18953/76eab662923b4a28a3caac345d607371/FLAG33027f150 [2021-10-11 02:24:45,814 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:45,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-11 02:24:45,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/25cc18953/76eab662923b4a28a3caac345d607371/FLAG33027f150 [2021-10-11 02:24:46,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/25cc18953/76eab662923b4a28a3caac345d607371 [2021-10-11 02:24:46,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:46,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:46,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:46,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:46,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:46,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:46" (1/1) ... [2021-10-11 02:24:46,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1153d1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:46, skipping insertion in model container [2021-10-11 02:24:46,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:46" (1/1) ... [2021-10-11 02:24:46,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:46,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:46,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-11 02:24:51,118 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:24:51,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f6791cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:51, skipping insertion in model container [2021-10-11 02:24:51,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:51,119 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:24:51,120 INFO L168 Benchmark]: Toolchain (without parser) took 4842.99 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 67.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:51,121 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 85.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:51,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4837.78 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 67.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:51,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 85.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4837.78 ms. Allocated memory is still 104.9 MB. Free memory was 78.9 MB in the beginning and 67.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:53,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:53,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:53,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:53,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:53,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:53,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:53,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:53,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:53,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:53,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:53,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:53,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:53,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:53,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:53,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:53,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:53,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:53,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:53,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:53,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:53,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:53,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:53,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:53,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:53,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:53,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:53,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:53,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:53,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:53,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:53,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:53,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:53,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:53,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:53,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:53,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:53,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:53,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:53,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:53,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:53,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:53,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:53,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:53,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:53,686 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:53,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:53,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:53,687 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:53,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:53,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:53,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:53,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:53,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:53,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:53,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:53,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:53,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:53,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:53,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:53,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:53,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:53,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:53,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:53,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:53,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:53,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:53,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:53,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:53,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:53,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:53,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:53,694 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:53,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:53,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:53,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:53,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:53,695 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-11 02:24:54,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:54,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:54,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:54,084 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:54,085 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:54,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-11 02:24:54,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/afa6dbf0b/b78c9662d06d4f9e83b43727f02ccef1/FLAG17dbefd32 [2021-10-11 02:24:55,220 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:55,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-11 02:24:55,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/afa6dbf0b/b78c9662d06d4f9e83b43727f02ccef1/FLAG17dbefd32 [2021-10-11 02:24:55,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/bin/utaipan-WLngWcDbfI/data/afa6dbf0b/b78c9662d06d4f9e83b43727f02ccef1 [2021-10-11 02:24:55,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:55,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:55,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:55,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:55,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:55,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:55" (1/1) ... [2021-10-11 02:24:55,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7536dd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:55, skipping insertion in model container [2021-10-11 02:24:55,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:55" (1/1) ... [2021-10-11 02:24:55,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:55,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:56,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87eec13c-7c3e-41c9-99cd-1d4dd6741630/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-11 02:25:01,202 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:25:01,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bc5f98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:01, skipping insertion in model container [2021-10-11 02:25:01,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:01,206 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:01,209 INFO L168 Benchmark]: Toolchain (without parser) took 5551.03 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.1 MB in the beginning and 38.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:01,210 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:01,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5546.14 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.0 MB in the beginning and 38.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:01,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5546.14 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.0 MB in the beginning and 38.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * 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...