./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-08_1a-drivers--watchdog--it87_wdt.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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:53,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:53,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:53,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:53,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:53,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:53,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:53,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:53,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:53,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:53,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:53,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:53,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:53,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:53,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:53,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:53,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:53,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:53,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:53,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:53,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:53,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:53,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:53,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:53,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:53,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:53,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:53,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:53,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:53,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:53,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:53,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:53,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:53,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:53,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:53,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:53,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:53,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:53,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:53,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:53,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:53,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:37:53,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:53,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:53,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:53,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:53,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:53,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:53,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:53,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:53,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:53,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:53,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:53,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:53,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:53,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:53,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:53,288 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:53,288 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:53,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:53,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:53,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:53,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:53,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:53,290 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:53,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:53,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:53,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2021-11-23 15:37:53,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:53,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:53,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:53,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:53,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:53,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-23 15:37:53,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/c1837a16f/61af956cbd2e45d7889a111b3f93c2ea/FLAGe6fffc0de [2021-11-23 15:37:54,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:54,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-23 15:37:54,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/c1837a16f/61af956cbd2e45d7889a111b3f93c2ea/FLAGe6fffc0de [2021-11-23 15:37:54,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/c1837a16f/61af956cbd2e45d7889a111b3f93c2ea [2021-11-23 15:37:54,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:54,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:54,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:54,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:54,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:54,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:54" (1/1) ... [2021-11-23 15:37:54,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b96ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:54, skipping insertion in model container [2021-11-23 15:37:54,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:54" (1/1) ... [2021-11-23 15:37:54,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:54,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:55,619 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-23 15:37:55,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:55,700 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:55,995 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-23 15:37:56,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:56,055 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:56,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56 WrapperNode [2021-11-23 15:37:56,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:56,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:56,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:56,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:56,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,235 INFO L137 Inliner]: procedures = 95, calls = 374, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1161 [2021-11-23 15:37:56,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:56,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:56,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:56,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:56,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:56,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:56,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:56,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:56,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56" (1/1) ... [2021-11-23 15:37:56,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:56,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:56,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-11-23 15:37:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-11-23 15:37:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2021-11-23 15:37:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2021-11-23 15:37:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2021-11-23 15:37:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2021-11-23 15:37:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:37:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2021-11-23 15:37:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2021-11-23 15:37:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2021-11-23 15:37:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2021-11-23 15:37:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:37:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:37:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:37:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:37:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:37:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2021-11-23 15:37:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2021-11-23 15:37:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-23 15:37:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-23 15:37:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:37:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:37:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2021-11-23 15:37:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2021-11-23 15:37:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:37:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 15:37:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 15:37:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:37:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:37:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:37:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:37:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:37:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2021-11-23 15:37:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2021-11-23 15:37:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-11-23 15:37:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-11-23 15:37:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-23 15:37:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-23 15:37:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:37:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:37:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 15:37:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 15:37:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:37:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:37:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2021-11-23 15:37:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2021-11-23 15:37:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:37:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:37:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:37:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:37:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2021-11-23 15:37:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2021-11-23 15:37:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 15:37:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 15:37:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-11-23 15:37:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-11-23 15:37:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2021-11-23 15:37:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2021-11-23 15:37:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:37:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:37:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:37:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:37:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:37:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:37:56,947 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:56,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:57,227 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:57,233 INFO L158 Benchmark]: Toolchain (without parser) took 2623.53ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 87.2MB in the beginning and 87.0MB in the end (delta: 203.0kB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2021-11-23 15:37:57,233 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:57,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.90ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 86.9MB in the beginning and 118.9MB in the end (delta: -32.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-11-23 15:37:57,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.58ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 112.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:57,242 INFO L158 Benchmark]: Boogie Preprocessor took 165.49ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 106.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:57,242 INFO L158 Benchmark]: RCFGBuilder took 826.03ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 87.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:37:57,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.90ms. Allocated memory was 121.6MB in the beginning and 167.8MB in the end (delta: 46.1MB). Free memory was 86.9MB in the beginning and 118.9MB in the end (delta: -32.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.58ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 112.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.49ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 106.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 826.03ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 87.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. 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 15:37:57,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:00,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:00,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:00,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:00,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:00,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:00,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:00,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:00,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:00,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:00,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:00,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:00,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:00,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:00,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:00,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:00,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:00,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:00,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:00,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:00,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:00,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:00,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:00,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:00,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:00,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:00,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:00,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:00,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:00,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:00,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:00,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:00,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:00,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:00,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:00,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:00,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:00,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:00,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:00,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:00,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:00,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:38:00,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:00,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:00,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:00,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:00,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:00,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:00,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:00,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:00,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:00,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:00,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:00,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:00,202 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:00,202 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:00,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:00,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:00,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:00,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:00,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:00,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:00,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:00,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:00,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:00,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:00,206 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:00,206 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:00,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:00,206 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:00,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:00,207 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2021-11-23 15:38:00,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:00,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:00,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:00,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:00,690 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:00,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-23 15:38:00,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/2c583939a/f9ecf51d027c4947961f5442d79a910d/FLAG82a42365d [2021-11-23 15:38:01,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:01,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2021-11-23 15:38:01,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/2c583939a/f9ecf51d027c4947961f5442d79a910d/FLAG82a42365d [2021-11-23 15:38:02,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/data/2c583939a/f9ecf51d027c4947961f5442d79a910d [2021-11-23 15:38:02,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:02,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:02,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:02,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:02,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:02,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:02" (1/1) ... [2021-11-23 15:38:02,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ff72fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:02, skipping insertion in model container [2021-11-23 15:38:02,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:02" (1/1) ... [2021-11-23 15:38:02,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:02,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:03,671 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-23 15:38:03,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:03,806 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:38:03,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:04,079 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-23 15:38:04,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:04,114 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:04,352 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_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2021-11-23 15:38:04,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:04,438 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:04,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04 WrapperNode [2021-11-23 15:38:04,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:04,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:04,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:04,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:04,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,645 INFO L137 Inliner]: procedures = 105, calls = 374, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1097 [2021-11-23 15:38:04,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:04,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:04,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:04,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:04,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:04,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:04,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:04,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:04,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:04" (1/1) ... [2021-11-23 15:38:04,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:04,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:04,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:04,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2021-11-23 15:38:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2021-11-23 15:38:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2021-11-23 15:38:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2021-11-23 15:38:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2021-11-23 15:38:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2021-11-23 15:38:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:38:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:38:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:38:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:38:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:38:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:38:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2021-11-23 15:38:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2021-11-23 15:38:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-23 15:38:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-23 15:38:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:38:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:38:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2021-11-23 15:38:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2021-11-23 15:38:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 15:38:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 15:38:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:38:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:38:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-11-23 15:38:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-11-23 15:38:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:38:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:38:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:38:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:38:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2021-11-23 15:38:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2021-11-23 15:38:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:38:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:38:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:38:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:38:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2021-11-23 15:38:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2021-11-23 15:38:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-11-23 15:38:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-11-23 15:38:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2021-11-23 15:38:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2021-11-23 15:38:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:38:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:38:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:38:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:38:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:38:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-11-23 15:38:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-11-23 15:38:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2021-11-23 15:38:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2021-11-23 15:38:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:38:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:38:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:38:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:38:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:38:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:38:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:38:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:38:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:38:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:38:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:38:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:38:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2021-11-23 15:38:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2021-11-23 15:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-23 15:38:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-23 15:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 15:38:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 15:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:38:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:38:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 15:38:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 15:38:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:38:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:38:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:05,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:05,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:05,728 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:38:05,735 INFO L158 Benchmark]: Toolchain (without parser) took 3336.45ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 31.3MB in the beginning and 36.4MB in the end (delta: -5.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:05,736 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:05,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2029.95ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 31.0MB in the beginning and 51.1MB in the end (delta: -20.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-23 15:38:05,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.25ms. Allocated memory is still 96.5MB. Free memory was 51.1MB in the beginning and 45.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:05,745 INFO L158 Benchmark]: Boogie Preprocessor took 157.04ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 38.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:05,746 INFO L158 Benchmark]: RCFGBuilder took 927.76ms. Allocated memory is still 96.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:05,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2029.95ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 31.0MB in the beginning and 51.1MB in the end (delta: -20.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.25ms. Allocated memory is still 96.5MB. Free memory was 51.1MB in the beginning and 45.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.04ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 38.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 927.76ms. Allocated memory is still 96.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.2MB). Peak memory consumption was 7.4MB. 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 15:38:05,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303ce48a-0ab4-4a86-9e9f-ae0d3a872f6d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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