./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9fa9a116c65e181b2439dd2b2c2873427a3e35414c05ff14dcd571e0747c2ab8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:38:04,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:38:04,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:38:04,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:38:04,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:38:04,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:38:04,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:38:04,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:38:04,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:38:04,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:38:04,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:38:04,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:38:04,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:38:04,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:38:04,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:38:04,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:38:04,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:38:04,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:38:04,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:38:04,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:38:04,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:38:04,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:38:04,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:38:04,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:38:04,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:38:04,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:38:04,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:38:04,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:38:04,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:38:04,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:38:04,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:38:04,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:38:04,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:38:04,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:38:04,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:38:04,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:38:04,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:38:04,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:38:04,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:38:04,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:38:04,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:38:04,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:38:04,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:38:04,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:38:04,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:38:04,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:38:04,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:38:04,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:38:04,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:38:04,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:38:04,503 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:38:04,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:38:04,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:38:04,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:38:04,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:38:04,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:38:04,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:38:04,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:38:04,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:38:04,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:38:04,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:38:04,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:38:04,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:38:04,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:38:04,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:38:04,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:38:04,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:38:04,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:38:04,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:38:04,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:38:04,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:38:04,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:38:04,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:38:04,507 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_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fa9a116c65e181b2439dd2b2c2873427a3e35414c05ff14dcd571e0747c2ab8 [2021-12-06 20:38:04,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:38:04,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:38:04,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:38:04,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:38:04,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:38:04,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i [2021-12-06 20:38:04,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/data/6b5d393bf/84b7cce0494f4d13b989fc11488a7e7b/FLAG4988e6dc9 [2021-12-06 20:38:05,366 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:38:05,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i [2021-12-06 20:38:05,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/data/6b5d393bf/84b7cce0494f4d13b989fc11488a7e7b/FLAG4988e6dc9 [2021-12-06 20:38:05,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/data/6b5d393bf/84b7cce0494f4d13b989fc11488a7e7b [2021-12-06 20:38:05,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:38:05,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:38:05,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:38:05,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:38:05,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:38:05,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:38:05" (1/1) ... [2021-12-06 20:38:05,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74314c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:05, skipping insertion in model container [2021-12-06 20:38:05,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:38:05" (1/1) ... [2021-12-06 20:38:05,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:38:05,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:38:06,785 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_32781ae2-18fc-4dab-9a5d-18973b35f38e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i[194089,194102] [2021-12-06 20:38:06,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:38:06,928 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:38:07,119 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_32781ae2-18fc-4dab-9a5d-18973b35f38e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i[194089,194102] [2021-12-06 20:38:07,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:38:07,217 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:38:07,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07 WrapperNode [2021-12-06 20:38:07,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:38:07,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:38:07,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:38:07,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:38:07,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,412 INFO L137 Inliner]: procedures = 255, calls = 1939, calls flagged for inlining = 81, calls inlined = 71, statements flattened = 3152 [2021-12-06 20:38:07,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:38:07,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:38:07,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:38:07,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:38:07,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:38:07,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:38:07,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:38:07,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:38:07,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (1/1) ... [2021-12-06 20:38:07,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:38:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:38:07,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:38:07,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32781ae2-18fc-4dab-9a5d-18973b35f38e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:38:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 20:38:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 20:38:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 20:38:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 20:38:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-06 20:38:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-06 20:38:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:38:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:38:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:38:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:38:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:38:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:38:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure send_argument [2021-12-06 20:38:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure send_argument [2021-12-06 20:38:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_pm_resume [2021-12-06 20:38:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_pm_resume [2021-12-06 20:38:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_get_lower_bound [2021-12-06 20:38:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_get_lower_bound [2021-12-06 20:38:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:38:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:38:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_release_accelerometer [2021-12-06 20:38:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_release_accelerometer [2021-12-06 20:38:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-06 20:38:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-06 20:38:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:38:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:38:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_release_light_sensor [2021-12-06 20:38:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_release_light_sensor [2021-12-06 20:38:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:38:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:38:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_applesmc_registers [2021-12-06 20:38:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_applesmc_registers [2021-12-06 20:38:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 20:38:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 20:38:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:38:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:38:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_calibrate [2021-12-06 20:38:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_calibrate [2021-12-06 20:38:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_release_key_backlight [2021-12-06 20:38:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_release_key_backlight [2021-12-06 20:38:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 20:38:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 20:38:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-06 20:38:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-06 20:38:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_read_entry [2021-12-06 20:38:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_read_entry [2021-12-06 20:38:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:38:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:38:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-06 20:38:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-06 20:38:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 20:38:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 20:38:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_remove_4 [2021-12-06 20:38:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_remove_4 [2021-12-06 20:38:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-06 20:38:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-06 20:38:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_write_key [2021-12-06 20:38:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_write_key [2021-12-06 20:38:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:38:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:38:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_backlight_set [2021-12-06 20:38:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_backlight_set [2021-12-06 20:38:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure send_byte [2021-12-06 20:38:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure send_byte [2021-12-06 20:38:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 20:38:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 20:38:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-06 20:38:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_init_smcreg [2021-12-06 20:38:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_init_smcreg [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_has_key [2021-12-06 20:38:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_has_key [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-06 20:38:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-06 20:38:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:38:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:38:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:38:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_get_entry_by_key [2021-12-06 20:38:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_get_entry_by_key [2021-12-06 20:38:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-06 20:38:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-06 20:38:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:38:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:38:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_device_init [2021-12-06 20:38:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_device_init [2021-12-06 20:38:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:38:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-06 20:38:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-06 20:38:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_destroy_nodes [2021-12-06 20:38:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_destroy_nodes [2021-12-06 20:38:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 20:38:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 20:38:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure read_smc [2021-12-06 20:38:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smc [2021-12-06 20:38:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_get_entry_by_index [2021-12-06 20:38:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_get_entry_by_index [2021-12-06 20:38:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:38:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_read_key [2021-12-06 20:38:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_read_key [2021-12-06 20:38:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:38:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_read_s16 [2021-12-06 20:38:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_read_s16 [2021-12-06 20:38:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:38:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:38:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_probe [2021-12-06 20:38:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_probe [2021-12-06 20:38:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:38:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-06 20:38:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-06 20:38:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_polled_device [2021-12-06 20:38:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_polled_device [2021-12-06 20:38:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 20:38:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 20:38:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_applesmc_registers [2021-12-06 20:38:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_applesmc_registers [2021-12-06 20:38:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-06 20:38:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-06 20:38:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_pm_restore [2021-12-06 20:38:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_pm_restore [2021-12-06 20:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-06 20:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-06 20:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_create_nodes [2021-12-06 20:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_create_nodes [2021-12-06 20:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure applesmc_destroy_smcreg [2021-12-06 20:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure applesmc_destroy_smcreg [2021-12-06 20:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:38:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 20:38:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 20:38:07,914 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:38:07,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:38:07,991 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:52:42,649 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:52:42,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:52:42,659 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 20:52:42,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:52:42 BoogieIcfgContainer [2021-12-06 20:52:42,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:52:42,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:52:42,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:52:42,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:52:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:38:05" (1/3) ... [2021-12-06 20:52:42,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be6219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:52:42, skipping insertion in model container [2021-12-06 20:52:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:38:07" (2/3) ... [2021-12-06 20:52:42,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be6219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:52:42, skipping insertion in model container [2021-12-06 20:52:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:52:42" (3/3) ... [2021-12-06 20:52:42,667 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--applesmc.ko-entry_point.cil.out.i [2021-12-06 20:52:42,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:52:42,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:52:42,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:52:42,725 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:52:42,725 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:52:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 803 states, 562 states have (on average 1.3825622775800712) internal successors, (777), 594 states have internal predecessors, (777), 182 states have call successors, (182), 58 states have call predecessors, (182), 57 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2021-12-06 20:52:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 20:52:42,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:42,775 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:52:42,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1273792513, now seen corresponding path program 1 times [2021-12-06 20:52:42,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:42,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947237396] [2021-12-06 20:52:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:42,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:52:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:52:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:52:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:52:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:52:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 20:52:44,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:52:44,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947237396] [2021-12-06 20:52:44,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947237396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:52:44,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:52:44,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:52:44,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639663336] [2021-12-06 20:52:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:52:44,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:52:44,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:52:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:52:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:52:44,738 INFO L87 Difference]: Start difference. First operand has 803 states, 562 states have (on average 1.3825622775800712) internal successors, (777), 594 states have internal predecessors, (777), 182 states have call successors, (182), 58 states have call predecessors, (182), 57 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 20:52:46,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:52:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:52:50,081 INFO L93 Difference]: Finished difference Result 1738 states and 2587 transitions. [2021-12-06 20:52:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:52:50,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-06 20:52:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:52:50,106 INFO L225 Difference]: With dead ends: 1738 [2021-12-06 20:52:50,106 INFO L226 Difference]: Without dead ends: 926 [2021-12-06 20:52:50,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:52:50,117 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 1350 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 422 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:52:50,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1456 Valid, 2130 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 598 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-06 20:52:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-12-06 20:52:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 788. [2021-12-06 20:52:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 557 states have (on average 1.3662477558348294) internal successors, (761), 579 states have internal predecessors, (761), 174 states have call successors, (174), 57 states have call predecessors, (174), 56 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-12-06 20:52:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1104 transitions. [2021-12-06 20:52:50,206 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1104 transitions. Word has length 56 [2021-12-06 20:52:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:52:50,206 INFO L470 AbstractCegarLoop]: Abstraction has 788 states and 1104 transitions. [2021-12-06 20:52:50,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 20:52:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1104 transitions. [2021-12-06 20:52:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-06 20:52:50,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:50,211 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:52:50,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:52:50,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash 832627698, now seen corresponding path program 1 times [2021-12-06 20:52:50,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:50,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992425930] [2021-12-06 20:52:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:52:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:52:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:52:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:52:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:52:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 20:52:51,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:52:51,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992425930] [2021-12-06 20:52:51,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992425930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:52:51,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:52:51,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:52:51,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18512627] [2021-12-06 20:52:51,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:52:51,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:52:51,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:52:51,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:52:51,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:52:51,473 INFO L87 Difference]: Start difference. First operand 788 states and 1104 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 20:52:53,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:52:55,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:52:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:52:59,378 INFO L93 Difference]: Finished difference Result 928 states and 1346 transitions. [2021-12-06 20:52:59,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:52:59,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2021-12-06 20:52:59,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:52:59,387 INFO L225 Difference]: With dead ends: 928 [2021-12-06 20:52:59,387 INFO L226 Difference]: Without dead ends: 925 [2021-12-06 20:52:59,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:52:59,388 INFO L933 BasicCegarLoop]: 1033 mSDtfsCounter, 1327 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 414 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:52:59,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1433 Valid, 2086 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 597 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-12-06 20:52:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-12-06 20:52:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 787. [2021-12-06 20:52:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 557 states have (on average 1.3644524236983842) internal successors, (760), 578 states have internal predecessors, (760), 173 states have call successors, (173), 57 states have call predecessors, (173), 56 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-12-06 20:52:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1102 transitions. [2021-12-06 20:52:59,428 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1102 transitions. Word has length 57 [2021-12-06 20:52:59,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:52:59,429 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1102 transitions. [2021-12-06 20:52:59,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 20:52:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1102 transitions. [2021-12-06 20:52:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 20:52:59,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:59,431 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:52:59,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:52:59,432 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1852782523, now seen corresponding path program 1 times [2021-12-06 20:52:59,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:59,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902567758] [2021-12-06 20:52:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:59,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:53:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:53:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:53:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:53:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:53:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:53:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:53:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:53:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 20:53:00,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:53:00,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902567758] [2021-12-06 20:53:00,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902567758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:53:00,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:53:00,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:53:00,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550177119] [2021-12-06 20:53:00,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:53:00,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:53:00,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:53:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:53:00,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:53:00,791 INFO L87 Difference]: Start difference. First operand 787 states and 1102 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)