./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e59258351ae550459307b875965daec2e04aa48 ........................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e59258351ae550459307b875965daec2e04aa48 .......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:08:42,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:08:42,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:08:42,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:08:42,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:08:42,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:08:42,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:08:42,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:08:42,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:08:42,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:08:42,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:08:42,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:08:42,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:08:42,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:08:42,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:08:42,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:08:42,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:08:42,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:08:42,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:08:42,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:08:42,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:08:42,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:08:42,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:08:42,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:08:42,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:08:42,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:08:42,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:08:42,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:08:42,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:08:42,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:08:42,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:08:42,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:08:42,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:08:42,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:08:42,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:08:42,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:08:42,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:08:42,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:08:42,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:08:42,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:08:42,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:08:42,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 14:08:42,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:08:42,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:08:42,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:08:42,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:08:42,559 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:08:42,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:08:42,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:08:42,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:08:42,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:08:42,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:08:42,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:08:42,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:08:42,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:08:42,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:08:42,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:08:42,563 INFO L138 SettingsManager]: * To the following directory=dump/ 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_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e59258351ae550459307b875965daec2e04aa48 [2019-12-07 14:08:42,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:08:42,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:08:42,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:08:42,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:08:42,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:08:42,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:08:42,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/17fe98940/822d94c0c63b40a2851f09dccc823986/FLAGa88e0f220 [2019-12-07 14:08:44,433 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:08:44,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:08:44,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/17fe98940/822d94c0c63b40a2851f09dccc823986/FLAGa88e0f220 [2019-12-07 14:08:44,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/17fe98940/822d94c0c63b40a2851f09dccc823986 [2019-12-07 14:08:44,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:08:44,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:08:44,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:44,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:08:44,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:08:44,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:44" (1/1) ... [2019-12-07 14:08:44,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33230abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:44, skipping insertion in model container [2019-12-07 14:08:44,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:44" (1/1) ... [2019-12-07 14:08:44,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:08:45,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:09:38,228 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 14:09:38,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ca6fa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:09:38, skipping insertion in model container [2019-12-07 14:09:38,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:09:38,229 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:09:38,231 INFO L168 Benchmark]: Toolchain (without parser) took 53483.20 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.4 MB). Free memory was 838.2 MB in the beginning and 1.1 GB in the end (delta: -219.9 MB). Peak memory consumption was 640.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:38,231 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:09:38,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 53481.53 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.4 MB). Free memory was 838.2 MB in the beginning and 1.1 GB in the end (delta: -219.9 MB). Peak memory consumption was 640.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:38,233 INFO L335 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 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 53481.53 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.4 MB). Free memory was 838.2 MB in the beginning and 1.1 GB in the end (delta: -219.9 MB). Peak memory consumption was 640.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 23704]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:09:39,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:09:39,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:09:39,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:09:39,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:09:39,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:09:39,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:09:39,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:09:39,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:09:39,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:09:39,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:09:39,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:09:39,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:09:39,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:09:39,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:09:39,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:09:39,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:09:39,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:09:39,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:09:39,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:09:39,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:09:39,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:09:39,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:09:39,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:09:39,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:09:39,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:09:39,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:09:39,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:09:39,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:09:39,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:09:39,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:09:39,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:09:39,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:09:39,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:09:39,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:09:39,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:09:39,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:09:39,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:09:39,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:09:39,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:09:39,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:09:39,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 14:09:39,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:09:39,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:09:39,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:09:39,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:09:39,370 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:09:39,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:09:39,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:09:39,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:09:39,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:09:39,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:09:39,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:09:39,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:09:39,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:09:39,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:09:39,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 14:09:39,373 INFO L138 SettingsManager]: * To the following directory=dump/ 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_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e59258351ae550459307b875965daec2e04aa48 [2019-12-07 14:09:39,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:09:39,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:09:39,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:09:39,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:09:39,559 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:09:39,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:09:39,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/ecf3dd4aa/6f8b5bd18eaa4094b483b203634a9499/FLAG4b2fdd54c [2019-12-07 14:09:41,417 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:09:41,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:09:41,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/ecf3dd4aa/6f8b5bd18eaa4094b483b203634a9499/FLAG4b2fdd54c [2019-12-07 14:09:41,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1e9f65a3-5a04-48f9-9bc9-41480ea12af6/bin/uautomizer/data/ecf3dd4aa/6f8b5bd18eaa4094b483b203634a9499 [2019-12-07 14:09:41,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:09:41,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:09:41,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:09:41,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:09:41,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:09:41,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:09:41" (1/1) ... [2019-12-07 14:09:41,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1916402a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:09:41, skipping insertion in model container [2019-12-07 14:09:41,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:09:41" (1/1) ... [2019-12-07 14:09:41,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:09:42,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:10:36,846 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 14:10:36,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4290d89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:36, skipping insertion in model container [2019-12-07 14:10:36,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:10:36,847 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:10:36,849 INFO L168 Benchmark]: Toolchain (without parser) took 54957.63 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 559.9 MB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). Peak memory consumption was 537.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:36,850 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:10:36,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 54955.84 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 559.9 MB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). Peak memory consumption was 537.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:36,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 54955.84 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 559.9 MB). Free memory was 954.3 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). Peak memory consumption was 537.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 23704]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...