./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-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:33,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:33,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:33,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:33,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:33,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:33,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:33,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:33,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:33,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:33,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:33,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:33,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:33,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:33,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:33,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:33,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:33,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:33,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:33,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:33,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:33,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:33,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:33,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:33,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:33,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:33,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:33,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:33,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:33,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:33,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:33,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:33,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:33,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:33,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:33,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:33,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:33,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:33,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:33,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:33,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:33,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 16:45:33,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:33,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:33,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:33,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:33,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:33,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:33,942 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:33,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:33,943 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:33,943 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:45:33,943 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:33,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:33,944 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:45:33,945 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:45:33,945 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:33,946 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:45:33,946 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:45:33,946 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:45:33,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:33,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:45:33,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:33,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:33,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:33,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:33,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:33,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:33,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:33,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:33,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:33,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:33,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:33,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:33,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:33,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:45:33,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:45:33,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:33,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:33,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:33,953 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b [2021-11-23 16:45:34,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:34,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:34,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:34,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:34,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:34,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2021-11-23 16:45:34,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/e3e12c159/6d55e6be5e984d79aca8b223a786e5eb/FLAGb454bd99a [2021-11-23 16:45:35,239 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:35,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2021-11-23 16:45:35,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/e3e12c159/6d55e6be5e984d79aca8b223a786e5eb/FLAGb454bd99a [2021-11-23 16:45:35,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/e3e12c159/6d55e6be5e984d79aca8b223a786e5eb [2021-11-23 16:45:35,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:35,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:35,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:35,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:35,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:35,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:35" (1/1) ... [2021-11-23 16:45:35,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a5721a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:35, skipping insertion in model container [2021-11-23 16:45:35,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:35" (1/1) ... [2021-11-23 16:45:35,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:35,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:37,958 WARN L230 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2021-11-23 16:45:38,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:38,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:38,555 WARN L230 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2021-11-23 16:45:38,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:38,624 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:38,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38 WrapperNode [2021-11-23 16:45:38,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:38,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:38,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:38,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:38,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:38,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:38,972 INFO L137 Inliner]: procedures = 191, calls = 3778, calls flagged for inlining = 80, calls inlined = 67, statements flattened = 6858 [2021-11-23 16:45:38,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:38,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:38,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:38,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:38,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:38,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:39,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:39,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:39,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:39,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:38" (1/1) ... [2021-11-23 16:45:39,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:39,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:39,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_probe [2021-11-23 16:45:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_probe [2021-11-23 16:45:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 16:45:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_reg_sync [2021-11-23 16:45:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_reg_sync [2021-11-23 16:45:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 16:45:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 16:45:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_reg_sync [2021-11-23 16:45:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_reg_sync [2021-11-23 16:45:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 16:45:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 16:45:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 16:45:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 16:45:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:45:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 16:45:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 16:45:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write [2021-11-23 16:45:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write [2021-11-23 16:45:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 16:45:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 16:45:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_ioctl [2021-11-23 16:45:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_ioctl [2021-11-23 16:45:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2021-11-23 16:45:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2021-11-23 16:45:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 16:45:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 16:45:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-11-23 16:45:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-11-23 16:45:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 16:45:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 16:45:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 16:45:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 16:45:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_port_private [2021-11-23 16:45:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_port_private [2021-11-23 16:45:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 16:45:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 16:45:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 16:45:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 16:45:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-23 16:45:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-23 16:45:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_uart_reg [2021-11-23 16:45:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_uart_reg [2021-11-23 16:45:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2021-11-23 16:45:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2021-11-23 16:45:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 16:45:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 16:45:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 16:45:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 16:45:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_usb_serial [2021-11-23 16:45:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_usb_serial [2021-11-23 16:45:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2021-11-23 16:45:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2021-11-23 16:45:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:45:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_async [2021-11-23 16:45:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_async [2021-11-23 16:45:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 16:45:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 16:45:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 16:45:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 16:45:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 16:45:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 16:45:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_termios [2021-11-23 16:45:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_termios [2021-11-23 16:45:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 16:45:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 16:45:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_sync [2021-11-23 16:45:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_sync [2021-11-23 16:45:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_3 [2021-11-23 16:45:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_3 [2021-11-23 16:45:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:45:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:45:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 16:45:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 16:45:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:45:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:45:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_chars_in_buffer [2021-11-23 16:45:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_chars_in_buffer [2021-11-23 16:45:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:45:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 16:45:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 16:45:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_throttle [2021-11-23 16:45:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_throttle [2021-11-23 16:45:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 16:45:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 16:45:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-11-23 16:45:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-11-23 16:45:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-23 16:45:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-23 16:45:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:45:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:45:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 16:45:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 16:45:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2021-11-23 16:45:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2021-11-23 16:45:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_uart_reg [2021-11-23 16:45:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_uart_reg [2021-11-23 16:45:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:45:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 16:45:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 16:45:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 16:45:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 16:45:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 16:45:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 16:45:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 16:45:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 16:45:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_paranoia_check [2021-11-23 16:45:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_paranoia_check [2021-11-23 16:45:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_serial_paranoia_check [2021-11-23 16:45:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_serial_paranoia_check [2021-11-23 16:45:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 16:45:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 16:45:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_activity [2021-11-23 16:45:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_activity [2021-11-23 16:45:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_bulk_in_callback [2021-11-23 16:45:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_bulk_in_callback [2021-11-23 16:45:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write_room [2021-11-23 16:45:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write_room [2021-11-23 16:45:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:45:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:45:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_calc_num_ports [2021-11-23 16:45:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_calc_num_ports [2021-11-23 16:45:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_break [2021-11-23 16:45:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_break [2021-11-23 16:45:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmset [2021-11-23 16:45:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmset [2021-11-23 16:45:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmget [2021-11-23 16:45:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmget [2021-11-23 16:45:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 16:45:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 16:45:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_port_private [2021-11-23 16:45:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_port_private [2021-11-23 16:45:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_unthrottle [2021-11-23 16:45:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_unthrottle [2021-11-23 16:45:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 16:45:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 16:45:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:45:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 16:45:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 16:45:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-11-23 16:45:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-11-23 16:45:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_remove [2021-11-23 16:45:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_remove [2021-11-23 16:45:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 16:45:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:40,383 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:40,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:42,502 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:45:42,507 INFO L158 Benchmark]: Toolchain (without parser) took 6763.56ms. Allocated memory was 94.4MB in the beginning and 247.5MB in the end (delta: 153.1MB). Free memory was 61.1MB in the beginning and 103.9MB in the end (delta: -42.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2021-11-23 16:45:42,507 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:42,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2879.26ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 59.6MB in the end (delta: 1.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-11-23 16:45:42,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 346.58ms. Allocated memory is still 146.8MB. Free memory was 59.6MB in the beginning and 59.0MB in the end (delta: 554.8kB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:42,512 INFO L158 Benchmark]: Boogie Preprocessor took 365.93ms. Allocated memory is still 146.8MB. Free memory was 59.0MB in the beginning and 44.4MB in the end (delta: 14.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:42,512 INFO L158 Benchmark]: RCFGBuilder took 3164.71ms. Allocated memory was 146.8MB in the beginning and 247.5MB in the end (delta: 100.7MB). Free memory was 44.4MB in the beginning and 103.9MB in the end (delta: -59.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-11-23 16:45:42,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2879.26ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 59.6MB in the end (delta: 1.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 346.58ms. Allocated memory is still 146.8MB. Free memory was 59.6MB in the beginning and 59.0MB in the end (delta: 554.8kB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 365.93ms. Allocated memory is still 146.8MB. Free memory was 59.0MB in the beginning and 44.4MB in the end (delta: 14.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3164.71ms. Allocated memory was 146.8MB in the beginning and 247.5MB in the end (delta: 100.7MB). Free memory was 44.4MB in the beginning and 103.9MB in the end (delta: -59.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:45:42,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:45,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:45,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:45,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:45,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:45,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:45,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:45,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:45,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:45,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:45,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:45,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:45,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:45,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:45,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:45,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:45,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:45,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:45,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:45,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:45,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:45,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:45,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:45,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:45,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:45,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:45,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:45,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:45,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:45,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:45,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:45,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:45,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:45,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:45,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:45,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:45,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:45,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:45,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:45,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:45,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:45,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 16:45:45,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:45,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:45,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:45,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:45,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:45,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:45,160 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:45,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:45,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:45,161 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:45,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:45,161 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:45,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:45,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:45,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:45,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:45,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:45,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:45,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:45,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:45:45,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:45,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:45,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:45,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:45,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:45,165 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:45:45,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:45:45,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:45,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:45,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:45,166 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1586642bef6980141a60942369684a3359f9fff4af003e79a9c46b72c273d5b [2021-11-23 16:45:45,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:45,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:45,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:45,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:45,577 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:45,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2021-11-23 16:45:45,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/d8a50bc5c/6eb26084e0a541888a240e7f13343fb1/FLAG14205992b [2021-11-23 16:45:46,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:46,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2021-11-23 16:45:46,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/d8a50bc5c/6eb26084e0a541888a240e7f13343fb1/FLAG14205992b [2021-11-23 16:45:47,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/data/d8a50bc5c/6eb26084e0a541888a240e7f13343fb1 [2021-11-23 16:45:47,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:47,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:47,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:47,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:47,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:47,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:47" (1/1) ... [2021-11-23 16:45:47,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370d490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:47, skipping insertion in model container [2021-11-23 16:45:47,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:47" (1/1) ... [2021-11-23 16:45:47,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:47,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:49,069 WARN L230 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2021-11-23 16:45:49,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:49,174 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:45:49,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:49,702 WARN L230 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2021-11-23 16:45:49,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:49,741 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:50,243 WARN L230 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_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2021-11-23 16:45:50,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:50,346 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:50,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50 WrapperNode [2021-11-23 16:45:50,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:50,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:50,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:50,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:50,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:50,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:50,875 INFO L137 Inliner]: procedures = 206, calls = 3778, calls flagged for inlining = 80, calls inlined = 67, statements flattened = 6598 [2021-11-23 16:45:50,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:50,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:50,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:50,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:50,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:50,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:50,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:50,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:51,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:51,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:51,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:51,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:51,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:51,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:51,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:51,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:50" (1/1) ... [2021-11-23 16:45:51,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:51,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:51,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:51,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 16:45:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_reg_sync [2021-11-23 16:45:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_reg_sync [2021-11-23 16:45:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 16:45:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:45:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_reg_sync [2021-11-23 16:45:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_reg_sync [2021-11-23 16:45:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 16:45:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 16:45:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 16:45:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 16:45:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 16:45:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 16:45:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 16:45:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2021-11-23 16:45:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2021-11-23 16:45:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 16:45:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 16:45:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-11-23 16:45:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-11-23 16:45:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 16:45:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 16:45:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_port_private [2021-11-23 16:45:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_port_private [2021-11-23 16:45:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2021-11-23 16:45:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2021-11-23 16:45:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 16:45:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 16:45:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_usb_serial [2021-11-23 16:45:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_usb_serial [2021-11-23 16:45:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2021-11-23 16:45:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2021-11-23 16:45:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 16:45:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 16:45:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 16:45:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 16:45:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_termios [2021-11-23 16:45:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_termios [2021-11-23 16:45:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_3 [2021-11-23 16:45:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_3 [2021-11-23 16:45:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:45:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:45:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:45:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:45:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_chars_in_buffer [2021-11-23 16:45:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_chars_in_buffer [2021-11-23 16:45:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_throttle [2021-11-23 16:45:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_throttle [2021-11-23 16:45:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-11-23 16:45:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-11-23 16:45:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-23 16:45:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-23 16:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:45:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 16:45:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 16:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 16:45:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 16:45:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 16:45:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 16:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_bulk_in_callback [2021-11-23 16:45:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_bulk_in_callback [2021-11-23 16:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 16:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:45:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_calc_num_ports [2021-11-23 16:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_calc_num_ports [2021-11-23 16:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_break [2021-11-23 16:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_break [2021-11-23 16:45:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmset [2021-11-23 16:45:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmset [2021-11-23 16:45:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 16:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 16:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_unthrottle [2021-11-23 16:45:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_unthrottle [2021-11-23 16:45:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 16:45:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 16:45:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 16:45:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 16:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_remove [2021-11-23 16:45:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_remove [2021-11-23 16:45:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_probe [2021-11-23 16:45:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_probe [2021-11-23 16:45:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 16:45:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 16:45:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write [2021-11-23 16:45:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write [2021-11-23 16:45:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 16:45:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 16:45:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_ioctl [2021-11-23 16:45:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_ioctl [2021-11-23 16:45:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 16:45:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 16:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 16:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 16:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 16:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 16:45:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-23 16:45:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-23 16:45:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_uart_reg [2021-11-23 16:45:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_uart_reg [2021-11-23 16:45:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 16:45:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 16:45:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_async [2021-11-23 16:45:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_async [2021-11-23 16:45:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 16:45:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 16:45:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 16:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 16:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 16:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 16:45:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 16:45:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_sync [2021-11-23 16:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_sync [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 16:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 16:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 16:45:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 16:45:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2021-11-23 16:45:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_uart_reg [2021-11-23 16:45:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_uart_reg [2021-11-23 16:45:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 16:45:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_paranoia_check [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_paranoia_check [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_serial_paranoia_check [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_serial_paranoia_check [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_activity [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_activity [2021-11-23 16:45:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write_room [2021-11-23 16:45:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write_room [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmget [2021-11-23 16:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmget [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 16:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_port_private [2021-11-23 16:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_port_private [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-11-23 16:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-11-23 16:45:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:52,333 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:52,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:08,508 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:08,512 INFO L158 Benchmark]: Toolchain (without parser) took 21454.54ms. Allocated memory was 54.5MB in the beginning and 293.6MB in the end (delta: 239.1MB). Free memory was 33.0MB in the beginning and 150.3MB in the end (delta: -117.3MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:08,513 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:08,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3273.01ms. Allocated memory was 54.5MB in the beginning and 146.8MB in the end (delta: 92.3MB). Free memory was 32.9MB in the beginning and 46.6MB in the end (delta: -13.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:08,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 528.30ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 46.6MB in the beginning and 194.0MB in the end (delta: -147.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:08,515 INFO L158 Benchmark]: Boogie Preprocessor took 411.74ms. Allocated memory is still 293.6MB. Free memory was 194.0MB in the beginning and 154.4MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:08,515 INFO L158 Benchmark]: RCFGBuilder took 17220.60ms. Allocated memory is still 293.6MB. Free memory was 154.4MB in the beginning and 150.3MB in the end (delta: 4.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:08,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3273.01ms. Allocated memory was 54.5MB in the beginning and 146.8MB in the end (delta: 92.3MB). Free memory was 32.9MB in the beginning and 46.6MB in the end (delta: -13.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 528.30ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 46.6MB in the beginning and 194.0MB in the end (delta: -147.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 411.74ms. Allocated memory is still 293.6MB. Free memory was 194.0MB in the beginning and 154.4MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 17220.60ms. Allocated memory is still 293.6MB. Free memory was 154.4MB in the beginning and 150.3MB in the end (delta: 4.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:08,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c23bb0-f767-4c58-90d1-d45ecfe8c89e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable