./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.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_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/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_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/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_8197779c-1278-45c9-8739-fe76f946a912/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 d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 --- 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 20:10:05,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:10:05,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:10:05,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:10:05,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:10:05,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:10:05,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:10:05,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:10:05,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:10:05,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:10:05,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:10:05,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:10:05,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:10:05,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:10:05,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:10:05,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:10:05,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:10:05,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:10:05,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:10:05,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:10:05,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:10:05,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:10:05,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:10:05,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:10:05,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:10:05,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:10:05,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:10:05,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:10:05,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:10:05,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:10:05,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:10:05,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:10:05,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:10:05,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:10:05,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:10:05,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:10:05,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:10:05,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:10:05,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:10:05,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:10:05,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:10:05,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:10:05,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:10:05,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:10:05,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:10:05,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:10:05,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:10:05,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:10:05,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:10:05,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:10:05,993 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:10:05,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:10:05,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:10:05,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:10:05,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:10:05,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:10:05,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:10:05,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:10:05,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:10:05,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:10:05,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:10:05,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:10:05,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:10:05,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:05,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:10:05,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:10:05,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:10:05,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:10:05,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:10:05,998 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:10:05,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:10:05,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:10:05,999 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_8197779c-1278-45c9-8739-fe76f946a912/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2022-11-02 20:10:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:10:06,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:10:06,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:10:06,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:10:06,294 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:10:06,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:10:06,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/data/b4bddb721/4703952063dd4959a7aefd62e4dc7169/FLAG145da9ed3 [2022-11-02 20:10:07,305 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:10:07,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:10:07,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/data/b4bddb721/4703952063dd4959a7aefd62e4dc7169/FLAG145da9ed3 [2022-11-02 20:10:07,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/data/b4bddb721/4703952063dd4959a7aefd62e4dc7169 [2022-11-02 20:10:07,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:10:07,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:10:07,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:07,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:10:07,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:10:07,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:07" (1/1) ... [2022-11-02 20:10:07,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bfd2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07, skipping insertion in model container [2022-11-02 20:10:07,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:07" (1/1) ... [2022-11-02 20:10:07,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:10:07,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:10:11,178 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_8197779c-1278-45c9-8739-fe76f946a912/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2022-11-02 20:10:11,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:11,438 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:10:11,963 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_8197779c-1278-45c9-8739-fe76f946a912/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2022-11-02 20:10:11,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:12,185 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:10:12,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12 WrapperNode [2022-11-02 20:10:12,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:12,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:12,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:10:12,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:10:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:12,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:12,706 INFO L138 Inliner]: procedures = 425, calls = 5273, calls flagged for inlining = 151, calls inlined = 134, statements flattened = 10143 [2022-11-02 20:10:12,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:12,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:10:12,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:10:12,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:10:12,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:12,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:12,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:12,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:10:13,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:10:13,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:10:13,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:10:13,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (1/1) ... [2022-11-02 20:10:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:13,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:13,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:10:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8197779c-1278-45c9-8739-fe76f946a912/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2022-11-02 20:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2022-11-02 20:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2022-11-02 20:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2022-11-02 20:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2022-11-02 20:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2022-11-02 20:10:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2022-11-02 20:10:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2022-11-02 20:10:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:10:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:10:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:10:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:10:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:10:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2022-11-02 20:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2022-11-02 20:10:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:10:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2022-11-02 20:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2022-11-02 20:10:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2022-11-02 20:10:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2022-11-02 20:10:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2022-11-02 20:10:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2022-11-02 20:10:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2022-11-02 20:10:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2022-11-02 20:10:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-02 20:10:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2022-11-02 20:10:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2022-11-02 20:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2022-11-02 20:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2022-11-02 20:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2022-11-02 20:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2022-11-02 20:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2022-11-02 20:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2022-11-02 20:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:10:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2022-11-02 20:10:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2022-11-02 20:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:10:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:10:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2022-11-02 20:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2022-11-02 20:10:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2022-11-02 20:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2022-11-02 20:10:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2022-11-02 20:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2022-11-02 20:10:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2022-11-02 20:10:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2022-11-02 20:10:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:10:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:10:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-11-02 20:10:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-11-02 20:10:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:10:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2022-11-02 20:10:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2022-11-02 20:10:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:10:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2022-11-02 20:10:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2022-11-02 20:10:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2022-11-02 20:10:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2022-11-02 20:10:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2022-11-02 20:10:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2022-11-02 20:10:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:10:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2022-11-02 20:10:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2022-11-02 20:10:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:10:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:10:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-02 20:10:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-02 20:10:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:10:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:10:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2022-11-02 20:10:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2022-11-02 20:10:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2022-11-02 20:10:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2022-11-02 20:10:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2022-11-02 20:10:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2022-11-02 20:10:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2022-11-02 20:10:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2022-11-02 20:10:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2022-11-02 20:10:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2022-11-02 20:10:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-02 20:10:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 20:10:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 20:10:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:10:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:10:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2022-11-02 20:10:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2022-11-02 20:10:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:10:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:10:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2022-11-02 20:10:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2022-11-02 20:10:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2022-11-02 20:10:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2022-11-02 20:10:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-02 20:10:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-02 20:10:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:10:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2022-11-02 20:10:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2022-11-02 20:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2022-11-02 20:10:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2022-11-02 20:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2022-11-02 20:10:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2022-11-02 20:10:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2022-11-02 20:10:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2022-11-02 20:10:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2022-11-02 20:10:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2022-11-02 20:10:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2022-11-02 20:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2022-11-02 20:10:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-02 20:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-02 20:10:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2022-11-02 20:10:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2022-11-02 20:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-02 20:10:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-02 20:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2022-11-02 20:10:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2022-11-02 20:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2022-11-02 20:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2022-11-02 20:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2022-11-02 20:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2022-11-02 20:10:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-02 20:10:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-02 20:10:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2022-11-02 20:10:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2022-11-02 20:10:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2022-11-02 20:10:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2022-11-02 20:10:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 20:10:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 20:10:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2022-11-02 20:10:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2022-11-02 20:10:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:10:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:10:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:10:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:10:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2022-11-02 20:10:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2022-11-02 20:10:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2022-11-02 20:10:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2022-11-02 20:10:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2022-11-02 20:10:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2022-11-02 20:10:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:10:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:10:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:10:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:10:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:10:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:10:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:10:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:10:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:10:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:10:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:10:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-11-02 20:10:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-11-02 20:10:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2022-11-02 20:10:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2022-11-02 20:10:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2022-11-02 20:10:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2022-11-02 20:10:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2022-11-02 20:10:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2022-11-02 20:10:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:10:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:10:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2022-11-02 20:10:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2022-11-02 20:10:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:10:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:10:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2022-11-02 20:10:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2022-11-02 20:10:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2022-11-02 20:10:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2022-11-02 20:10:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:10:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:10:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:10:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:10:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 20:10:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 20:10:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:10:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:10:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2022-11-02 20:10:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2022-11-02 20:10:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2022-11-02 20:10:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2022-11-02 20:10:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-02 20:10:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-02 20:10:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-02 20:10:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-02 20:10:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:10:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2022-11-02 20:10:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2022-11-02 20:10:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-02 20:10:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-02 20:10:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:10:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:10:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:10:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2022-11-02 20:10:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2022-11-02 20:10:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2022-11-02 20:10:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2022-11-02 20:10:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-02 20:10:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-02 20:10:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-11-02 20:10:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-11-02 20:10:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2022-11-02 20:10:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2022-11-02 20:10:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2022-11-02 20:10:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2022-11-02 20:10:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:10:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2022-11-02 20:10:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2022-11-02 20:10:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:10:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:10:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2022-11-02 20:10:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2022-11-02 20:10:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2022-11-02 20:10:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2022-11-02 20:10:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:10:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:10:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:10:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:10:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2022-11-02 20:10:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2022-11-02 20:10:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2022-11-02 20:10:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2022-11-02 20:10:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2022-11-02 20:10:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2022-11-02 20:10:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2022-11-02 20:10:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2022-11-02 20:10:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2022-11-02 20:10:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2022-11-02 20:10:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2022-11-02 20:10:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2022-11-02 20:10:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2022-11-02 20:10:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2022-11-02 20:10:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2022-11-02 20:10:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2022-11-02 20:10:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2022-11-02 20:10:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2022-11-02 20:10:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 20:10:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 20:10:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2022-11-02 20:10:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2022-11-02 20:10:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2022-11-02 20:10:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2022-11-02 20:10:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:10:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:10:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:10:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-02 20:10:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-02 20:10:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2022-11-02 20:10:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2022-11-02 20:10:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2022-11-02 20:10:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2022-11-02 20:10:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-02 20:10:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-02 20:10:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:10:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:10:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2022-11-02 20:10:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2022-11-02 20:10:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:10:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:10:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2022-11-02 20:10:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2022-11-02 20:10:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2022-11-02 20:10:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2022-11-02 20:10:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2022-11-02 20:10:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2022-11-02 20:10:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 20:10:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 20:10:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:10:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:10:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2022-11-02 20:10:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2022-11-02 20:10:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2022-11-02 20:10:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2022-11-02 20:10:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2022-11-02 20:10:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2022-11-02 20:10:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2022-11-02 20:10:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:10:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:10:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:10:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2022-11-02 20:10:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2022-11-02 20:10:14,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:10:14,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:10:15,734 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:10:15,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2022-11-02 20:10:15,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2022-11-02 20:10:15,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2022-11-02 20:10:15,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2022-11-02 20:10:15,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2022-11-02 20:10:15,872 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843-1: ~tmp___2~1 := #t~ret123;havoc #t~ret123;#res := (if ~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~1 % 18446744073709551616 % 4294967296 else ~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843: SUMMARY for call #t~ret123 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-11-02 20:10:15,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -9223372036854775808 <= #t~ret122 && #t~ret122 <= 9223372036854775807;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: SUMMARY for call #t~ret122 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -9223372036854775808 <= #t~ret121 && #t~ret121 <= 9223372036854775807;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: SUMMARY for call #t~ret121 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2022-11-02 20:10:15,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch115#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 4 == __copy_from_user_~size#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 8 == __copy_from_user_~size#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 10 == __copy_from_user_~size#1; [2022-11-02 20:10:27,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch115#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 16 == __copy_from_user_~size#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761-1: assume -9223372036854775808 <= __copy_from_user_#t~ret116#1 && __copy_from_user_#t~ret116#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret116#1;havoc __copy_from_user_#t~ret116#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761: SUMMARY for call __copy_from_user_#t~ret116#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch115#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := true; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774: SUMMARY for call __copy_from_user_#t~ret117#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774-1: assume -9223372036854775808 <= __copy_from_user_#t~ret117#1 && __copy_from_user_#t~ret117#1 <= 9223372036854775807;__copy_from_user_~tmp___1~1#1 := __copy_from_user_#t~ret117#1;havoc __copy_from_user_#t~ret117#1; [2022-11-02 20:10:27,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume 0 != __copy_from_user_~tmp___1~1#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume !(0 != __copy_from_user_~tmp___1~1#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_user_#t~switch115#1; [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch115#1; [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784: SUMMARY for call __copy_from_user_#t~ret118#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784-1: __copy_from_user_~tmp___2~0#1 := __copy_from_user_#t~ret118#1;havoc __copy_from_user_#t~ret118#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 2 == __copy_from_user_~size#1; [2022-11-02 20:10:27,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:10:28,010 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:10:28,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:10:28,043 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:10:28,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:28 BoogieIcfgContainer [2022-11-02 20:10:28,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:10:28,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:10:28,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:10:28,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:10:28,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:07" (1/3) ... [2022-11-02 20:10:28,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca31fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:28, skipping insertion in model container [2022-11-02 20:10:28,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:12" (2/3) ... [2022-11-02 20:10:28,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca31fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:28, skipping insertion in model container [2022-11-02 20:10:28,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:28" (3/3) ... [2022-11-02 20:10:28,059 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:10:28,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:10:28,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:10:28,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:10:28,219 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;@4738951e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:10:28,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:10:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) [2022-11-02 20:10:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-02 20:10:28,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:28,278 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 20:10:28,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:28,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1391587723, now seen corresponding path program 1 times [2022-11-02 20:10:28,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:28,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130328599] [2022-11-02 20:10:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:28,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:10:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:10:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:10:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:10:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:10:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:10:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:10:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:10:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:10:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:10:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:10:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:10:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:10:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:10:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-02 20:10:29,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:29,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130328599] [2022-11-02 20:10:29,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130328599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:29,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:29,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:10:29,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888123882] [2022-11-02 20:10:29,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:29,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:10:29,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:29,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:10:29,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:29,785 INFO L87 Difference]: Start difference. First operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:10:45,198 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 20:10:47,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:50,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:10:52,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:10:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:56,497 INFO L93 Difference]: Finished difference Result 8367 states and 13217 transitions. [2022-11-02 20:10:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:56,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2022-11-02 20:10:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:56,552 INFO L225 Difference]: With dead ends: 8367 [2022-11-02 20:10:56,552 INFO L226 Difference]: Without dead ends: 4519 [2022-11-02 20:10:56,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:56,577 INFO L413 NwaCegarLoop]: 5456 mSDtfsCounter, 3639 mSDsluCounter, 7428 mSDsCounter, 0 mSdLazyCounter, 4594 mSolverCounterSat, 2312 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 12884 SdHoareTripleChecker+Invalid, 6910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2312 IncrementalHoareTripleChecker+Valid, 4594 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:56,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3690 Valid, 12884 Invalid, 6910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2312 Valid, 4594 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2022-11-02 20:10:56,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2022-11-02 20:10:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 3823. [2022-11-02 20:10:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2914 states have (on average 1.4989704873026768) internal successors, (4368), 3008 states have internal predecessors, (4368), 773 states have call successors, (773), 136 states have call predecessors, (773), 135 states have return successors, (769), 741 states have call predecessors, (769), 769 states have call successors, (769) [2022-11-02 20:10:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5910 transitions. [2022-11-02 20:10:56,899 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5910 transitions. Word has length 192 [2022-11-02 20:10:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:56,900 INFO L495 AbstractCegarLoop]: Abstraction has 3823 states and 5910 transitions. [2022-11-02 20:10:56,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:10:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5910 transitions. [2022-11-02 20:10:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-02 20:10:56,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:56,915 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 20:10:56,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:10:56,916 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:56,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1053851753, now seen corresponding path program 1 times [2022-11-02 20:10:56,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:56,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722416313] [2022-11-02 20:10:56,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:10:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:10:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:10:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:10:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:10:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:10:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:10:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:10:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:10:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:10:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:10:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:10:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:10:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:10:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:10:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-02 20:10:57,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:57,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722416313] [2022-11-02 20:10:57,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722416313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:57,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:57,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:10:57,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759363851] [2022-11-02 20:10:57,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:57,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:10:57,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:57,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:10:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:57,908 INFO L87 Difference]: Start difference. First operand 3823 states and 5910 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:11:15,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:11:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:18,001 INFO L93 Difference]: Finished difference Result 9651 states and 15121 transitions. [2022-11-02 20:11:18,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:11:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2022-11-02 20:11:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:18,043 INFO L225 Difference]: With dead ends: 9651 [2022-11-02 20:11:18,043 INFO L226 Difference]: Without dead ends: 5857 [2022-11-02 20:11:18,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:11:18,060 INFO L413 NwaCegarLoop]: 5651 mSDtfsCounter, 9663 mSDsluCounter, 7185 mSDsCounter, 0 mSdLazyCounter, 4199 mSolverCounterSat, 4662 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9831 SdHoareTripleChecker+Valid, 12836 SdHoareTripleChecker+Invalid, 8862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4662 IncrementalHoareTripleChecker+Valid, 4199 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:18,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9831 Valid, 12836 Invalid, 8862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4662 Valid, 4199 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-11-02 20:11:18,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2022-11-02 20:11:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 4938. [2022-11-02 20:11:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.495083709806006) internal successors, (5626), 3894 states have internal predecessors, (5626), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2022-11-02 20:11:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7580 transitions. [2022-11-02 20:11:18,336 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7580 transitions. Word has length 192 [2022-11-02 20:11:18,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:18,338 INFO L495 AbstractCegarLoop]: Abstraction has 4938 states and 7580 transitions. [2022-11-02 20:11:18,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:11:18,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7580 transitions. [2022-11-02 20:11:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-02 20:11:18,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:18,346 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 20:11:18,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:11:18,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:18,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:18,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1833513696, now seen corresponding path program 1 times [2022-11-02 20:11:18,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:18,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538423940] [2022-11-02 20:11:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:18,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:11:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:11:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:11:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:11:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:11:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:11:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:11:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:11:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:11:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:11:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:11:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:11:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:11:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:11:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-02 20:11:19,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:11:19,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538423940] [2022-11-02 20:11:19,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538423940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:19,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:19,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:11:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282387272] [2022-11-02 20:11:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:19,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:11:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:11:19,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:11:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:11:19,176 INFO L87 Difference]: Start difference. First operand 4938 states and 7580 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-02 20:11:25,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:11:33,046 WARN L539 Checker$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 20:11:35,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:11:38,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:11:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:41,151 INFO L93 Difference]: Finished difference Result 10758 states and 16782 transitions. [2022-11-02 20:11:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:11:41,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 202 [2022-11-02 20:11:41,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:41,190 INFO L225 Difference]: With dead ends: 10758 [2022-11-02 20:11:41,191 INFO L226 Difference]: Without dead ends: 5849 [2022-11-02 20:11:41,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:11:41,209 INFO L413 NwaCegarLoop]: 5410 mSDtfsCounter, 9792 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 3336 mSolverCounterSat, 3163 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10296 SdHoareTripleChecker+Valid, 10408 SdHoareTripleChecker+Invalid, 6503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3163 IncrementalHoareTripleChecker+Valid, 3336 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:41,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10296 Valid, 10408 Invalid, 6503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3163 Valid, 3336 Invalid, 4 Unknown, 0 Unchecked, 21.5s Time] [2022-11-02 20:11:41,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2022-11-02 20:11:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 4938. [2022-11-02 20:11:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.4945522189742226) internal successors, (5624), 3894 states have internal predecessors, (5624), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2022-11-02 20:11:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7578 transitions. [2022-11-02 20:11:41,478 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7578 transitions. Word has length 202 [2022-11-02 20:11:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:41,479 INFO L495 AbstractCegarLoop]: Abstraction has 4938 states and 7578 transitions. [2022-11-02 20:11:41,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-02 20:11:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7578 transitions. [2022-11-02 20:11:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-02 20:11:41,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:41,484 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 20:11:41,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:11:41,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:41,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:41,485 INFO L85 PathProgramCache]: Analyzing trace with hash 245165794, now seen corresponding path program 1 times [2022-11-02 20:11:41,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:41,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936058641] [2022-11-02 20:11:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:41,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:11:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:11:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:11:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:11:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:11:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:11:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:11:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:11:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:11:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:11:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:11:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:11:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:11:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:11:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:11:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:11:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-02 20:11:42,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:11:42,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936058641] [2022-11-02 20:11:42,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936058641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:42,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:42,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:11:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480901216] [2022-11-02 20:11:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:42,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:11:42,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:11:42,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:11:42,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:11:42,252 INFO L87 Difference]: Start difference. First operand 4938 states and 7578 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:11:49,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:11:57,783 WARN L539 Checker$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 20:11:59,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:12:03,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:12:07,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:12:07,693 INFO L93 Difference]: Finished difference Result 6003 states and 9431 transitions. [2022-11-02 20:12:07,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:12:07,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 202 [2022-11-02 20:12:07,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:12:07,728 INFO L225 Difference]: With dead ends: 6003 [2022-11-02 20:12:07,729 INFO L226 Difference]: Without dead ends: 6000 [2022-11-02 20:12:07,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:12:07,734 INFO L413 NwaCegarLoop]: 5440 mSDtfsCounter, 9397 mSDsluCounter, 7465 mSDsCounter, 0 mSdLazyCounter, 4711 mSolverCounterSat, 3069 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9886 SdHoareTripleChecker+Valid, 12905 SdHoareTripleChecker+Invalid, 7784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3069 IncrementalHoareTripleChecker+Valid, 4711 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:12:07,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9886 Valid, 12905 Invalid, 7784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3069 Valid, 4711 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-02 20:12:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6000 states. [2022-11-02 20:12:07,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6000 to 5057. [2022-11-02 20:12:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5057 states, 3843 states have (on average 1.4892011449388498) internal successors, (5723), 3975 states have internal predecessors, (5723), 998 states have call successors, (998), 216 states have call predecessors, (998), 215 states have return successors, (995), 951 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-02 20:12:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 7716 transitions. [2022-11-02 20:12:08,024 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 7716 transitions. Word has length 202 [2022-11-02 20:12:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:12:08,025 INFO L495 AbstractCegarLoop]: Abstraction has 5057 states and 7716 transitions. [2022-11-02 20:12:08,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:12:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 7716 transitions. [2022-11-02 20:12:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-02 20:12:08,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:12:08,029 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 20:12:08,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:12:08,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:12:08,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash -990907888, now seen corresponding path program 1 times [2022-11-02 20:12:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:08,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608546166] [2022-11-02 20:12:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:08,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:12:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:12:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:12:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:12:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:12:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:12:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:12:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:12:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:12:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:12:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:12:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:12:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:12:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:12:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-02 20:12:08,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:08,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608546166] [2022-11-02 20:12:08,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608546166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:08,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:08,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:12:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304663676] [2022-11-02 20:12:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:08,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:12:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:12:08,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:12:08,815 INFO L87 Difference]: Start difference. First operand 5057 states and 7716 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:12:28,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:12:30,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:12:33,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:12:40,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:12:42,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:12:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:12:44,674 INFO L93 Difference]: Finished difference Result 9407 states and 14590 transitions. [2022-11-02 20:12:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:12:44,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 203 [2022-11-02 20:12:44,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:12:44,729 INFO L225 Difference]: With dead ends: 9407 [2022-11-02 20:12:44,729 INFO L226 Difference]: Without dead ends: 9319 [2022-11-02 20:12:44,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:12:44,737 INFO L413 NwaCegarLoop]: 6029 mSDtfsCounter, 7814 mSDsluCounter, 12068 mSDsCounter, 0 mSdLazyCounter, 7517 mSolverCounterSat, 3588 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8031 SdHoareTripleChecker+Valid, 18097 SdHoareTripleChecker+Invalid, 11109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3588 IncrementalHoareTripleChecker+Valid, 7517 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:12:44,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8031 Valid, 18097 Invalid, 11109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3588 Valid, 7517 Invalid, 4 Unknown, 0 Unchecked, 35.1s Time] [2022-11-02 20:12:44,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9319 states. [2022-11-02 20:12:45,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9319 to 7863. [2022-11-02 20:12:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7863 states, 5941 states have (on average 1.4807271503113955) internal successors, (8797), 6175 states have internal predecessors, (8797), 1546 states have call successors, (1546), 378 states have call predecessors, (1546), 375 states have return successors, (1545), 1447 states have call predecessors, (1545), 1543 states have call successors, (1545) [2022-11-02 20:12:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7863 states to 7863 states and 11888 transitions. [2022-11-02 20:12:45,218 INFO L78 Accepts]: Start accepts. Automaton has 7863 states and 11888 transitions. Word has length 203 [2022-11-02 20:12:45,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:12:45,219 INFO L495 AbstractCegarLoop]: Abstraction has 7863 states and 11888 transitions. [2022-11-02 20:12:45,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:12:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7863 states and 11888 transitions. [2022-11-02 20:12:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-02 20:12:45,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:12:45,229 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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 20:12:45,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:12:45,230 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:12:45,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1664573996, now seen corresponding path program 1 times [2022-11-02 20:12:45,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:45,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434534123] [2022-11-02 20:12:45,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:45,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:12:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:12:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:12:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:12:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:12:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:12:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:12:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:12:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:12:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:12:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:12:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:12:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:12:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:12:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-02 20:12:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 20:12:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 20:12:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:12:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:12:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-11-02 20:12:45,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:45,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434534123] [2022-11-02 20:12:45,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434534123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:45,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:45,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:12:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178234966] [2022-11-02 20:12:45,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:45,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:12:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:45,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:12:45,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:12:45,997 INFO L87 Difference]: Start difference. First operand 7863 states and 11888 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:13:10,185 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 20:13:14,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:13:18,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:13:21,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:13:26,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:13:26,449 INFO L93 Difference]: Finished difference Result 21743 states and 33320 transitions. [2022-11-02 20:13:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:13:26,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 268 [2022-11-02 20:13:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:13:26,643 INFO L225 Difference]: With dead ends: 21743 [2022-11-02 20:13:26,643 INFO L226 Difference]: Without dead ends: 13909 [2022-11-02 20:13:26,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:13:26,672 INFO L413 NwaCegarLoop]: 6922 mSDtfsCounter, 11775 mSDsluCounter, 7838 mSDsCounter, 0 mSdLazyCounter, 11859 mSolverCounterSat, 6519 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12276 SdHoareTripleChecker+Valid, 14760 SdHoareTripleChecker+Invalid, 18382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6519 IncrementalHoareTripleChecker+Valid, 11859 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:13:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12276 Valid, 14760 Invalid, 18382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6519 Valid, 11859 Invalid, 4 Unknown, 0 Unchecked, 39.2s Time] [2022-11-02 20:13:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13909 states. [2022-11-02 20:13:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13909 to 11604. [2022-11-02 20:13:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11604 states, 8704 states have (on average 1.4686351102941178) internal successors, (12783), 9068 states have internal predecessors, (12783), 2313 states have call successors, (2313), 589 states have call predecessors, (2313), 586 states have return successors, (2314), 2156 states have call predecessors, (2314), 2310 states have call successors, (2314) [2022-11-02 20:13:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11604 states to 11604 states and 17410 transitions. [2022-11-02 20:13:27,383 INFO L78 Accepts]: Start accepts. Automaton has 11604 states and 17410 transitions. Word has length 268 [2022-11-02 20:13:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:13:27,384 INFO L495 AbstractCegarLoop]: Abstraction has 11604 states and 17410 transitions. [2022-11-02 20:13:27,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:13:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 11604 states and 17410 transitions. [2022-11-02 20:13:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-02 20:13:27,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:13:27,394 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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 20:13:27,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:13:27,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:13:27,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:13:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash 620520735, now seen corresponding path program 1 times [2022-11-02 20:13:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:13:27,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933522131] [2022-11-02 20:13:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:13:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:13:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:13:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:13:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:13:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:13:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:13:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:13:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:13:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:13:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:13:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:13:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:13:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:13:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:13:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:13:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-02 20:13:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 20:13:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 20:13:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:13:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:13:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-11-02 20:13:28,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:13:28,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933522131] [2022-11-02 20:13:28,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933522131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:13:28,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:13:28,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:13:28,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363203732] [2022-11-02 20:13:28,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:13:28,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:13:28,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:13:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:13:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:13:28,317 INFO L87 Difference]: Start difference. First operand 11604 states and 17410 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:13:48,302 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 20:13:50,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []