./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31a0eb1c375123465029054813704556a808514c ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31a0eb1c375123465029054813704556a808514c .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:15:23,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:15:23,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:15:23,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:15:23,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:15:23,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:15:23,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:15:23,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:15:23,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:15:23,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:15:23,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:15:23,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:15:23,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:15:23,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:15:23,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:15:23,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:15:23,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:15:23,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:15:23,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:15:23,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:15:23,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:15:23,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:15:23,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:15:23,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:15:23,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:15:23,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:15:23,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:15:23,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:15:23,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:15:23,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:15:23,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:15:23,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:15:23,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:15:23,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:15:23,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:15:23,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:15:23,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:15:23,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:15:23,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:15:23,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:15:23,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:15:23,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:15:23,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:15:23,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:15:23,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:15:23,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:15:23,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:15:23,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:15:23,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:15:23,341 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:15:23,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:15:23,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:15:23,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:15:23,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:15:23,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:15:23,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:15:23,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:15:23,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:15:23,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:15:23,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:15:23,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:15:23,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:15:23,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:15:23,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:15:23,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:15:23,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:15:23,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:15:23,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:15:23,347 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:15:23,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:15:23,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:15:23,349 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-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-29 21:15:23,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:15:23,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:15:23,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:15:23,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:15:23,720 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:15:23,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-29 21:15:23,857 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/c73485fc1/c53d2e5b9c534682a177313ad368d528/FLAG8dede02bb [2020-11-29 21:15:24,868 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:15:24,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-29 21:15:24,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/c73485fc1/c53d2e5b9c534682a177313ad368d528/FLAG8dede02bb [2020-11-29 21:15:25,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/c73485fc1/c53d2e5b9c534682a177313ad368d528 [2020-11-29 21:15:25,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:15:25,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:15:25,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:15:25,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:15:25,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:15:25,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:15:25" (1/1) ... [2020-11-29 21:15:25,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4931be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:15:25, skipping insertion in model container [2020-11-29 21:15:25,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:15:25" (1/1) ... [2020-11-29 21:15:25,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:15:25,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:15:29,806 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 21:15:29,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54c047d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:15:29, skipping insertion in model container [2020-11-29 21:15:29,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:15:29,808 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 21:15:29,811 INFO L168 Benchmark]: Toolchain (without parser) took 4521.62 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 59.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:15:29,812 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 48.6 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:15:29,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4518.60 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 50.4 MB in the beginning and 59.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:15:29,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 48.6 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4518.60 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 50.4 MB in the beginning and 59.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 34.3 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-a4ecdab [2020-11-29 21:15:32,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:15:32,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:15:32,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:15:32,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:15:32,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:15:32,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:15:32,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:15:32,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:15:32,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:15:32,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:15:32,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:15:32,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:15:32,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:15:32,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:15:32,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:15:32,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:15:32,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:15:32,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:15:32,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:15:32,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:15:32,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:15:32,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:15:32,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:15:32,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:15:32,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:15:32,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:15:32,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:15:32,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:15:32,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:15:32,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:15:32,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:15:32,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:15:32,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:15:32,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:15:32,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:15:32,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:15:32,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:15:32,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:15:32,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:15:32,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:15:32,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 21:15:32,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:15:32,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:15:32,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:15:32,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:15:32,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:15:32,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:15:32,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:15:32,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:15:32,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:15:32,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:15:32,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:15:32,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:15:32,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:15:32,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 21:15:32,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:15:32,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:15:32,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:15:32,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:15:32,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:15:32,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:15:32,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:15:32,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:15:32,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:15:32,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:15:32,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:15:32,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:15:32,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:15:32,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:15:32,748 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 21:15:32,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:15:32,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:15:32,749 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 21:15:32,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:15:32,750 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-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-11-29 21:15:33,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:15:33,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:15:33,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:15:33,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:15:33,334 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:15:33,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-29 21:15:33,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/a9d772869/25113a9efecb41c4b96901f6feb1a0a5/FLAG88280c4bc [2020-11-29 21:15:34,418 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:15:34,420 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-11-29 21:15:34,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/a9d772869/25113a9efecb41c4b96901f6feb1a0a5/FLAG88280c4bc [2020-11-29 21:15:34,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9d39f3b-ef5d-469a-947b-76d086ac8a8a/bin/ukojak/data/a9d772869/25113a9efecb41c4b96901f6feb1a0a5 [2020-11-29 21:15:34,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:15:34,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:15:34,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:15:34,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:15:34,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:15:34,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:15:34" (1/1) ... [2020-11-29 21:15:34,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:15:34, skipping insertion in model container [2020-11-29 21:15:34,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:15:34" (1/1) ... [2020-11-29 21:15:34,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:15:35,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:15:39,585 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 21:15:39,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51feda90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:15:39, skipping insertion in model container [2020-11-29 21:15:39,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:15:39,586 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 21:15:39,589 INFO L168 Benchmark]: Toolchain (without parser) took 4740.47 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 41.5 MB in the beginning and 50.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:15:39,590 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:15:39,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4737.17 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 41.3 MB in the beginning and 50.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:15:39,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4737.17 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 41.3 MB in the beginning and 50.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 20.5 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...