./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc --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 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:50:23,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:50:23,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:50:23,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:50:23,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:50:23,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:50:23,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:50:23,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:50:23,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:50:23,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:50:23,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:50:23,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:50:23,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:50:23,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:50:23,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:50:23,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:50:23,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:50:23,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:50:23,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:50:23,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:50:23,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:50:23,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:50:23,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:50:23,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:50:23,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:50:23,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:50:23,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:50:23,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:50:23,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:50:23,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:50:23,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:50:23,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:50:23,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:50:23,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:50:23,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:50:23,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:50:23,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:50:23,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:50:23,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:50:23,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:50:23,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:50:23,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:50:24,008 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:50:24,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:50:24,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:50:24,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:50:24,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:50:24,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:50:24,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:50:24,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:50:24,012 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:50:24,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:50:24,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:50:24,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:50:24,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:50:24,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:50:24,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:50:24,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:50:24,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:50:24,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:50:24,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:50:24,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:50:24,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:50:24,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:24,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:50:24,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:50:24,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:50:24,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:50:24,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:50:24,020 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:50:24,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:50:24,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:50:24,021 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_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-11-02 20:50:24,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:50:24,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:50:24,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:50:24,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:50:24,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:50:24,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-11-02 20:50:24,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/data/5e925f00b/854b7ce02d9b4b5586558bf4eb012415/FLAG5a797a753 [2022-11-02 20:50:25,363 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:50:25,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-11-02 20:50:25,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/data/5e925f00b/854b7ce02d9b4b5586558bf4eb012415/FLAG5a797a753 [2022-11-02 20:50:25,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/data/5e925f00b/854b7ce02d9b4b5586558bf4eb012415 [2022-11-02 20:50:25,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:50:25,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:50:25,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:25,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:50:25,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:50:25,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:25" (1/1) ... [2022-11-02 20:50:25,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699efebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:25, skipping insertion in model container [2022-11-02 20:50:25,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:25" (1/1) ... [2022-11-02 20:50:25,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:50:25,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:50:26,522 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-11-02 20:50:26,523 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-11-02 20:50:26,646 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_a57b8712-45dc-4c55-aed8-43f1e48ce909/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-11-02 20:50:28,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:28,320 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:50:28,452 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-11-02 20:50:28,453 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-11-02 20:50:28,460 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_a57b8712-45dc-4c55-aed8-43f1e48ce909/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-11-02 20:50:28,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:28,961 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:50:28,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28 WrapperNode [2022-11-02 20:50:28,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:28,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:28,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:50:28,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:50:28,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,381 INFO L138 Inliner]: procedures = 274, calls = 3127, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6360 [2022-11-02 20:50:29,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:29,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:50:29,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:50:29,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:50:29,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,714 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:50:29,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:50:29,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:50:29,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:50:29,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (1/1) ... [2022-11-02 20:50:29,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:29,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:50:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57b8712-45dc-4c55-aed8-43f1e48ce909/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:50:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-11-02 20:50:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-11-02 20:50:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-11-02 20:50:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-11-02 20:50:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:50:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:50:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:50:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:50:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-11-02 20:50:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-11-02 20:50:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-11-02 20:50:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-11-02 20:50:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-02 20:50:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-02 20:50:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-11-02 20:50:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-11-02 20:50:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:50:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:50:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-11-02 20:50:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-11-02 20:50:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-11-02 20:50:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-11-02 20:50:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-11-02 20:50:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-11-02 20:50:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:50:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:50:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:50:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-11-02 20:50:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-11-02 20:50:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-02 20:50:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-02 20:50:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-11-02 20:50:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-11-02 20:50:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-11-02 20:50:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-11-02 20:50:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:50:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:50:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-11-02 20:50:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-11-02 20:50:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:50:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:50:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-02 20:50:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-02 20:50:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-11-02 20:50:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-11-02 20:50:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:50:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:50:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:50:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:50:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-11-02 20:50:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-11-02 20:50:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-11-02 20:50:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-11-02 20:50:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-11-02 20:50:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-11-02 20:50:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:50:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-02 20:50:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-02 20:50:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-11-02 20:50:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-11-02 20:50:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-02 20:50:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-02 20:50:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-11-02 20:50:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-11-02 20:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-11-02 20:50:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-11-02 20:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-11-02 20:50:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-11-02 20:50:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-11-02 20:50:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-11-02 20:50:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-11-02 20:50:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-11-02 20:50:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:50:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:50:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-11-02 20:50:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-11-02 20:50:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:50:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:50:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-11-02 20:50:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-11-02 20:50:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:50:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:50:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-02 20:50:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-02 20:50:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-11-02 20:50:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-11-02 20:50:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:50:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:50:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-11-02 20:50:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-11-02 20:50:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-11-02 20:50:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-11-02 20:50:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:50:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:50:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:50:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-11-02 20:50:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-11-02 20:50:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-11-02 20:50:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-11-02 20:50:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:50:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-11-02 20:50:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-11-02 20:50:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:50:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:50:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:50:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-11-02 20:50:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-11-02 20:50:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-11-02 20:50:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-11-02 20:50:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-11-02 20:50:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-11-02 20:50:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:50:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:50:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:50:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:50:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-11-02 20:50:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-11-02 20:50:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:50:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:50:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-11-02 20:50:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-11-02 20:50:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:50:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-11-02 20:50:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-11-02 20:50:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-11-02 20:50:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-11-02 20:50:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:50:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:50:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-11-02 20:50:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-11-02 20:50:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-11-02 20:50:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-11-02 20:50:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-11-02 20:50:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-11-02 20:50:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-11-02 20:50:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-11-02 20:50:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-11-02 20:50:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-11-02 20:50:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:50:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-11-02 20:50:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-11-02 20:50:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:50:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-02 20:50:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-02 20:50:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-11-02 20:50:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-11-02 20:50:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-11-02 20:50:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-11-02 20:50:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-11-02 20:50:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-11-02 20:50:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:50:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:50:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-11-02 20:50:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-11-02 20:50:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:50:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:50:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-11-02 20:50:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-11-02 20:50:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-11-02 20:50:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-11-02 20:50:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-11-02 20:50:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-11-02 20:50:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-11-02 20:50:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-11-02 20:50:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-11-02 20:50:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-11-02 20:50:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-11-02 20:50:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-11-02 20:50:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-11-02 20:50:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-11-02 20:50:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-11-02 20:50:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-11-02 20:50:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-11-02 20:50:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-11-02 20:50:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-11-02 20:50:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-11-02 20:50:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:50:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:50:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-11-02 20:50:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-11-02 20:50:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:50:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:50:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-11-02 20:50:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-11-02 20:50:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:50:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:50:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:50:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:50:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:50:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:50:30,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:50:30,873 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:50:31,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:53:27,153 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:53:27,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:53:27,182 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:53:27,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:27 BoogieIcfgContainer [2022-11-02 20:53:27,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:53:27,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:53:27,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:53:27,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:53:27,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:25" (1/3) ... [2022-11-02 20:53:27,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24278dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:27, skipping insertion in model container [2022-11-02 20:53:27,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:28" (2/3) ... [2022-11-02 20:53:27,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24278dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:27, skipping insertion in model container [2022-11-02 20:53:27,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:27" (3/3) ... [2022-11-02 20:53:27,205 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-11-02 20:53:27,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:53:27,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:53:27,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:53:27,377 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e5be9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:53:27,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:53:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 1660 states, 1304 states have (on average 1.4578220858895705) internal successors, (1901), 1321 states have internal predecessors, (1901), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2022-11-02 20:53:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-02 20:53:27,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:53:27,427 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:27,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:53:27,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1322765673, now seen corresponding path program 1 times [2022-11-02 20:53:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:27,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433648267] [2022-11-02 20:53:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:53:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:53:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:53:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:53:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:53:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:53:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 20:53:29,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:29,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433648267] [2022-11-02 20:53:29,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433648267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:29,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:29,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:53:29,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987483449] [2022-11-02 20:53:29,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:29,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:53:29,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:29,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:53:29,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:53:29,261 INFO L87 Difference]: Start difference. First operand has 1660 states, 1304 states have (on average 1.4578220858895705) internal successors, (1901), 1321 states have internal predecessors, (1901), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:53:31,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:33,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:40,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:42,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:44,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:50,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:52,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:55,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:57,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:00,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:02,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:05,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:07,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:10,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:12,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:17,272 INFO L93 Difference]: Finished difference Result 5109 states and 7573 transitions. [2022-11-02 20:54:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:54:17,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2022-11-02 20:54:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:17,331 INFO L225 Difference]: With dead ends: 5109 [2022-11-02 20:54:17,331 INFO L226 Difference]: Without dead ends: 3379 [2022-11-02 20:54:17,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:54:17,351 INFO L413 NwaCegarLoop]: 2905 mSDtfsCounter, 2965 mSDsluCounter, 4120 mSDsCounter, 0 mSdLazyCounter, 3045 mSolverCounterSat, 663 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 7025 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3045 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:17,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 7025 Invalid, 3723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3045 Invalid, 15 Unknown, 0 Unchecked, 47.4s Time] [2022-11-02 20:54:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-11-02 20:54:17,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3216. [2022-11-02 20:54:17,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3216 states, 2537 states have (on average 1.453291288923926) internal successors, (3687), 2552 states have internal predecessors, (3687), 512 states have call successors, (512), 167 states have call predecessors, (512), 166 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2022-11-02 20:54:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4710 transitions. [2022-11-02 20:54:17,621 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4710 transitions. Word has length 71 [2022-11-02 20:54:17,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:17,622 INFO L495 AbstractCegarLoop]: Abstraction has 3216 states and 4710 transitions. [2022-11-02 20:54:17,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:54:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4710 transitions. [2022-11-02 20:54:17,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-02 20:54:17,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:17,630 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-11-02 20:54:17,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:54:17,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:17,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:17,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1917609708, now seen corresponding path program 1 times [2022-11-02 20:54:17,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:17,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95207087] [2022-11-02 20:54:17,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:17,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:54:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:54:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:54:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:54:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:54:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 20:54:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 20:54:18,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:18,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95207087] [2022-11-02 20:54:18,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95207087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:18,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:18,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:54:18,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799898100] [2022-11-02 20:54:18,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:18,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:54:18,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:54:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:54:18,685 INFO L87 Difference]: Start difference. First operand 3216 states and 4710 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:54:20,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:25,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:27,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:30,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:35,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []