./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:06:28,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:06:28,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:06:28,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:06:28,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:06:28,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:06:28,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:06:28,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:06:28,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:06:28,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:06:28,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:06:28,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:06:28,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:06:28,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:06:28,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:06:28,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:06:28,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:06:28,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:06:28,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:06:28,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:06:28,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:06:28,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:06:28,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:06:28,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:06:28,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:06:28,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:06:28,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:06:28,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:06:28,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:06:28,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:06:28,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:06:28,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:06:28,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:06:28,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:06:28,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:06:28,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:06:28,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:06:28,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:06:28,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:06:28,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:06:28,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:06:28,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:06:28,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:06:28,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:06:28,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:06:28,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:06:28,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:06:28,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:06:28,329 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:06:28,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:06:28,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:06:28,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:06:28,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:06:28,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:06:28,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:06:28,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:06:28,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:06:28,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:06:28,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:06:28,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:06:28,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:06:28,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:06:28,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:06:28,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:06:28,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:06:28,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:28,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:06:28,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:06:28,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:06:28,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:06:28,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:06:28,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:06:28,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:06:28,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:06:28,337 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:06:28,337 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:06:28,337 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-02 22:06:28,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:06:28,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:06:28,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:06:28,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:06:28,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:06:28,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-02 22:06:28,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/5d996fa19/2b99527be9df47969b119060a58a7dbd/FLAGcf0ccabaf [2021-11-02 22:06:29,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:06:29,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-02 22:06:29,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/5d996fa19/2b99527be9df47969b119060a58a7dbd/FLAGcf0ccabaf [2021-11-02 22:06:30,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/5d996fa19/2b99527be9df47969b119060a58a7dbd [2021-11-02 22:06:30,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:06:30,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:06:30,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:30,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:06:30,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:06:30,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:30" (1/1) ... [2021-11-02 22:06:30,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3d89cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:30, skipping insertion in model container [2021-11-02 22:06:30,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:30" (1/1) ... [2021-11-02 22:06:30,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:06:30,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:06:30,687 WARN L228 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_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-02 22:06:34,932 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:06:34,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a8768d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:34, skipping insertion in model container [2021-11-02 22:06:34,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:34,933 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:06:34,935 INFO L168 Benchmark]: Toolchain (without parser) took 4851.22 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 63.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:34,936 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:34,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4848.93 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.7 MB in the beginning and 63.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:34,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4848.93 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.7 MB in the beginning and 63.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 28.5 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... --- 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:06:37,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:06:37,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:06:37,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:06:37,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:06:37,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:06:37,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:06:37,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:06:37,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:06:37,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:06:37,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:06:37,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:06:37,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:06:37,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:06:37,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:06:37,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:06:37,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:06:37,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:06:37,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:06:37,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:06:37,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:06:37,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:06:37,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:06:37,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:06:37,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:06:37,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:06:37,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:06:37,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:06:37,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:06:37,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:06:37,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:06:37,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:06:37,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:06:37,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:06:37,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:06:37,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:06:37,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:06:37,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:06:37,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:06:37,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:06:37,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:06:37,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-02 22:06:37,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:06:37,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:06:37,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:06:37,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:06:37,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:06:37,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:06:37,249 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:06:37,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:06:37,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:06:37,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:06:37,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:06:37,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:06:37,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:06:37,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:06:37,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:06:37,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:06:37,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:06:37,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:06:37,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:06:37,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:06:37,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:06:37,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:06:37,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:06:37,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:37,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:06:37,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:06:37,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:06:37,253 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:06:37,254 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:06:37,254 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:06:37,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:06:37,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:06:37,255 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:06:37,255 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:06:37,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:06:37,255 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_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-02 22:06:37,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:06:37,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:06:37,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:06:37,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:06:37,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:06:37,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-02 22:06:37,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/fbe797fcf/9b4847a9aa824ffb864cd2fe9d250e89/FLAG806cad81c [2021-11-02 22:06:38,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:06:38,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-02 22:06:38,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/fbe797fcf/9b4847a9aa824ffb864cd2fe9d250e89/FLAG806cad81c [2021-11-02 22:06:39,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/bin/ugemcutter-gZIa6NM3Pm/data/fbe797fcf/9b4847a9aa824ffb864cd2fe9d250e89 [2021-11-02 22:06:39,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:06:39,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:06:39,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:39,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:06:39,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:06:39,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:39" (1/1) ... [2021-11-02 22:06:39,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d50c8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:39, skipping insertion in model container [2021-11-02 22:06:39,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:39" (1/1) ... [2021-11-02 22:06:39,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:06:39,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:06:39,644 WARN L228 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_71a64ff7-3b8a-44c2-b6a0-b3fd6ef832bd/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-02 22:06:42,566 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:06:42,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e7c27df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:42, skipping insertion in model container [2021-11-02 22:06:42,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:42,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:06:42,570 INFO L168 Benchmark]: Toolchain (without parser) took 3500.56 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 39.3 MB in the beginning and 65.1 MB in the end (delta: -25.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,571 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 48.9 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:42,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3498.46 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 39.0 MB in the beginning and 65.1 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:42,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 48.9 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3498.46 ms. Allocated memory was 69.2 MB in the beginning and 107.0 MB in the end (delta: 37.7 MB). Free memory was 39.0 MB in the beginning and 65.1 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.8 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN