./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/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_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/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_5c93b329-d3ec-4528-b56b-d9b00044ac44/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 c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc --- 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 20:42:47,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:42:47,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:42:47,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:42:47,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:42:47,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:42:47,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:42:47,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:42:47,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:42:47,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:42:47,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:42:47,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:42:47,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:42:47,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:42:47,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:42:47,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:42:47,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:42:47,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:42:47,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:42:47,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:42:47,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:42:47,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:42:47,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:42:47,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:42:47,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:42:47,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:42:47,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:42:47,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:42:47,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:42:47,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:42:47,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:42:47,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:42:47,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:42:47,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:42:47,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:42:47,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:42:47,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:42:47,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:42:47,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:42:47,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:42:47,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:42:47,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:42:47,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:42:47,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:42:47,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:42:47,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:42:47,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:42:47,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:42:47,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:42:47,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:42:47,398 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:42:47,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:42:47,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:42:47,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:42:47,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:42:47,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:42:47,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:42:47,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:42:47,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:42:47,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:42:47,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:42:47,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:42:47,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:42:47,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:42:47,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:42:47,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:42:47,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:42:47,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:42:47,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:42:47,404 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:42:47,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:42:47,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:42:47,404 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_5c93b329-d3ec-4528-b56b-d9b00044ac44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-11-02 20:42:47,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:42:47,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:42:47,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:42:47,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:42:47,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:42:47,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:42:47,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/data/a6235f7ce/f6f7fa64b8ce42bcafaeb5399d20f088/FLAG3f19ecad9 [2022-11-02 20:42:48,848 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:42:48,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:42:48,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/data/a6235f7ce/f6f7fa64b8ce42bcafaeb5399d20f088/FLAG3f19ecad9 [2022-11-02 20:42:49,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/data/a6235f7ce/f6f7fa64b8ce42bcafaeb5399d20f088 [2022-11-02 20:42:49,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:42:49,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:42:49,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:49,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:42:49,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:42:49,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:49" (1/1) ... [2022-11-02 20:42:49,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367535e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:49, skipping insertion in model container [2022-11-02 20:42:49,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:49" (1/1) ... [2022-11-02 20:42:49,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:42:49,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:42:52,794 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_5c93b329-d3ec-4528-b56b-d9b00044ac44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-11-02 20:42:52,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:52,920 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:42:53,584 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_5c93b329-d3ec-4528-b56b-d9b00044ac44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-11-02 20:42:53,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:53,874 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:42:53,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53 WrapperNode [2022-11-02 20:42:53,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:53,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:53,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:42:53,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:42:53,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,210 INFO L138 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5278 [2022-11-02 20:42:54,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:54,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:42:54,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:42:54,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:42:54,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:42:54,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:42:54,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:42:54,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:42:54,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (1/1) ... [2022-11-02 20:42:54,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:42:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:54,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:54,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c93b329-d3ec-4528-b56b-d9b00044ac44/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:42:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-11-02 20:42:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-11-02 20:42:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-02 20:42:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-02 20:42:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-11-02 20:42:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-11-02 20:42:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-11-02 20:42:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-11-02 20:42:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:42:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:42:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-02 20:42:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-02 20:42:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:42:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:42:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-11-02 20:42:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-11-02 20:42:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:42:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:42:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:42:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:42:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-11-02 20:42:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-11-02 20:42:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-11-02 20:42:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-11-02 20:42:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-11-02 20:42:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-11-02 20:42:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 20:42:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 20:42:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-02 20:42:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-02 20:42:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-02 20:42:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-02 20:42:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-11-02 20:42:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-11-02 20:42:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-02 20:42:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-02 20:42:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-11-02 20:42:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-11-02 20:42:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:42:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:42:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-02 20:42:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-02 20:42:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:42:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:42:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-11-02 20:42:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-11-02 20:42:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-11-02 20:42:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-11-02 20:42:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-11-02 20:42:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-11-02 20:42:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:42:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:42:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-11-02 20:42:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-11-02 20:42:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-11-02 20:42:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-11-02 20:42:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-11-02 20:42:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-11-02 20:42:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-02 20:42:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-02 20:42:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 20:42:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 20:42:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-11-02 20:42:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-11-02 20:42:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:42:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:42:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:42:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:42:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:42:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:42:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:42:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:42:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-11-02 20:42:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-11-02 20:42:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:42:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:42:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-11-02 20:42:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-11-02 20:42:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:42:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-11-02 20:42:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-11-02 20:42:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:42:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:42:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-11-02 20:42:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-11-02 20:42:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:42:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:42:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-11-02 20:42:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-11-02 20:42:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:42:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:42:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:42:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:42:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-11-02 20:42:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-11-02 20:42:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:42:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-11-02 20:42:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-11-02 20:42:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:42:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:42:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:42:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-02 20:42:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-02 20:42:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:42:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:42:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:42:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-11-02 20:42:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-11-02 20:42:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 20:42:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 20:42:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-02 20:42:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-02 20:42:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 20:42:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 20:42:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:42:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:42:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-11-02 20:42:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-11-02 20:42:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:42:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-11-02 20:42:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-11-02 20:42:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-11-02 20:42:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-11-02 20:42:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-02 20:42:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-02 20:42:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-02 20:42:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-02 20:42:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-11-02 20:42:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-11-02 20:42:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:42:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:42:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-11-02 20:42:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-11-02 20:42:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-11-02 20:42:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-11-02 20:42:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 20:42:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 20:42:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-11-02 20:42:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-11-02 20:42:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-11-02 20:42:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-11-02 20:42:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:42:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-11-02 20:42:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-11-02 20:42:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-02 20:42:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-02 20:42:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-11-02 20:42:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-11-02 20:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:42:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-11-02 20:42:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-11-02 20:42:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-11-02 20:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-11-02 20:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:42:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:42:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-11-02 20:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-11-02 20:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-02 20:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-02 20:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-02 20:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-02 20:42:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 20:42:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 20:42:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-11-02 20:42:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-11-02 20:42:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-11-02 20:42:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-11-02 20:42:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-02 20:42:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-02 20:42:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-11-02 20:42:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-11-02 20:42:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-11-02 20:42:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-11-02 20:42:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:42:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:42:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-11-02 20:42:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-11-02 20:42:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:42:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:42:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-11-02 20:42:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-11-02 20:42:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:42:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:42:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:42:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:42:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:42:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:42:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 20:42:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 20:42:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:42:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:42:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:42:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:42:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:42:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:42:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:42:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:42:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-02 20:42:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-02 20:42:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-02 20:42:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-02 20:42:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:42:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:42:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-11-02 20:42:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-11-02 20:42:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-11-02 20:42:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-11-02 20:42:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-02 20:42:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-02 20:42:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:42:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:42:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-11-02 20:42:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-11-02 20:42:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-02 20:42:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-02 20:42:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:42:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:42:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 20:42:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 20:42:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:42:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:42:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:42:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:42:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:42:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:42:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-11-02 20:42:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-11-02 20:42:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-11-02 20:42:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-11-02 20:42:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-11-02 20:42:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-11-02 20:42:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:42:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:42:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:42:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-11-02 20:42:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-11-02 20:42:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:42:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:42:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-11-02 20:42:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-11-02 20:42:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-11-02 20:42:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-11-02 20:42:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-11-02 20:42:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-11-02 20:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-02 20:42:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-02 20:42:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-11-02 20:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-11-02 20:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-11-02 20:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-11-02 20:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:42:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-11-02 20:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-11-02 20:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 20:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 20:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-11-02 20:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-11-02 20:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-11-02 20:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-11-02 20:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-11-02 20:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-11-02 20:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-11-02 20:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-11-02 20:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-11-02 20:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-11-02 20:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-11-02 20:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-11-02 20:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:42:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:42:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-11-02 20:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-11-02 20:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-11-02 20:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-11-02 20:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:42:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:42:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 20:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 20:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-11-02 20:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-11-02 20:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:42:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:42:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:42:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-11-02 20:42:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-11-02 20:42:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-11-02 20:42:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-11-02 20:42:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:42:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-02 20:42:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-02 20:42:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-02 20:42:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-02 20:42:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:42:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:42:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-11-02 20:42:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-11-02 20:42:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-11-02 20:42:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-11-02 20:42:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-11-02 20:42:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-11-02 20:42:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-11-02 20:42:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-11-02 20:42:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:42:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:42:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-11-02 20:42:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-11-02 20:42:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-11-02 20:42:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-11-02 20:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-11-02 20:42:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-11-02 20:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-02 20:42:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-02 20:42:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-11-02 20:42:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-11-02 20:42:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-11-02 20:42:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-11-02 20:42:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-11-02 20:42:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-11-02 20:42:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-11-02 20:42:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-11-02 20:42:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:42:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:42:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:42:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:42:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-02 20:42:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-02 20:42:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:42:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-02 20:42:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-02 20:42:55,865 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:42:55,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:42:56,012 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:43:45,465 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:43:45,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:43:45,486 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:43:45,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:45 BoogieIcfgContainer [2022-11-02 20:43:45,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:43:45,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:43:45,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:43:45,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:43:45,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:42:49" (1/3) ... [2022-11-02 20:43:45,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2687915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:45, skipping insertion in model container [2022-11-02 20:43:45,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:53" (2/3) ... [2022-11-02 20:43:45,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2687915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:45, skipping insertion in model container [2022-11-02 20:43:45,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:45" (3/3) ... [2022-11-02 20:43:45,499 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:43:45,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:43:45,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:43:45,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:43:45,629 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;@59c59205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:43:45,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:43:45,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 2757 states, 1717 states have (on average 1.3104251601630752) internal successors, (2250), 1780 states have internal predecessors, (2250), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-02 20:43:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-02 20:43:45,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:43:45,694 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:43:45,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:43:45,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:45,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1252519399, now seen corresponding path program 1 times [2022-11-02 20:43:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:45,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370532027] [2022-11-02 20:43:45,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:43:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:43:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:43:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:43:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:43:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:43:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:43:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:43:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:43:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:43:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:43:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:43:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:43:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:43:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:43:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:43:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:43:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:43:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 20:43:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:43:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:43:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:43:47,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:47,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370532027] [2022-11-02 20:43:47,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370532027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:47,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:47,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:43:47,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338524105] [2022-11-02 20:43:47,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:47,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:43:47,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:48,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:43:48,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:43:48,014 INFO L87 Difference]: Start difference. First operand has 2757 states, 1717 states have (on average 1.3104251601630752) internal successors, (2250), 1780 states have internal predecessors, (2250), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:43:50,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:52,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:54,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:16,862 INFO L93 Difference]: Finished difference Result 6049 states and 9492 transitions. [2022-11-02 20:44:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:44:16,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-11-02 20:44:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:16,938 INFO L225 Difference]: With dead ends: 6049 [2022-11-02 20:44:16,938 INFO L226 Difference]: Without dead ends: 3279 [2022-11-02 20:44:16,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:44:16,981 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 2126 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 2444 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 8348 SdHoareTripleChecker+Invalid, 5330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2444 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:16,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 8348 Invalid, 5330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2444 Valid, 2883 Invalid, 3 Unknown, 0 Unchecked, 28.1s Time] [2022-11-02 20:44:17,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-11-02 20:44:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2739. [2022-11-02 20:44:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 1707 states have (on average 1.3057996485061512) internal successors, (2229), 1762 states have internal predecessors, (2229), 868 states have call successors, (868), 164 states have call predecessors, (868), 163 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-11-02 20:44:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3964 transitions. [2022-11-02 20:44:17,362 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3964 transitions. Word has length 274 [2022-11-02 20:44:17,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:17,364 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3964 transitions. [2022-11-02 20:44:17,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:44:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3964 transitions. [2022-11-02 20:44:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-02 20:44:17,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:17,376 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:17,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:44:17,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1755286699, now seen corresponding path program 1 times [2022-11-02 20:44:17,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:17,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361324370] [2022-11-02 20:44:17,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:17,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:44:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:44:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:44:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:44:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:44:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:44:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:44:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:44:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:44:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:44:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:44:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:44:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:44:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:44:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:44:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:44:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 20:44:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:44:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:44:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:44:19,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:19,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361324370] [2022-11-02 20:44:19,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361324370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:19,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:19,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:44:19,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368061711] [2022-11-02 20:44:19,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:19,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:44:19,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:19,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:44:19,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:44:19,043 INFO L87 Difference]: Start difference. First operand 2739 states and 3964 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:44:21,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:25,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:41,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:58,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:58,381 INFO L93 Difference]: Finished difference Result 8768 states and 13130 transitions. [2022-11-02 20:44:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:44:58,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-11-02 20:44:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:58,436 INFO L225 Difference]: With dead ends: 8768 [2022-11-02 20:44:58,437 INFO L226 Difference]: Without dead ends: 6072 [2022-11-02 20:44:58,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:44:58,455 INFO L413 NwaCegarLoop]: 4480 mSDtfsCounter, 6995 mSDsluCounter, 6776 mSDsCounter, 0 mSdLazyCounter, 4874 mSolverCounterSat, 5098 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7377 SdHoareTripleChecker+Valid, 11256 SdHoareTripleChecker+Invalid, 9973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5098 IncrementalHoareTripleChecker+Valid, 4874 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:58,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7377 Valid, 11256 Invalid, 9973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5098 Valid, 4874 Invalid, 1 Unknown, 0 Unchecked, 38.2s Time] [2022-11-02 20:44:58,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6072 states. [2022-11-02 20:44:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6072 to 5082. [2022-11-02 20:44:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5082 states, 3151 states have (on average 1.3049825452237385) internal successors, (4112), 3260 states have internal predecessors, (4112), 1617 states have call successors, (1617), 314 states have call predecessors, (1617), 313 states have return successors, (1616), 1586 states have call predecessors, (1616), 1616 states have call successors, (1616) [2022-11-02 20:44:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 7345 transitions. [2022-11-02 20:44:58,811 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 7345 transitions. Word has length 274 [2022-11-02 20:44:58,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:58,815 INFO L495 AbstractCegarLoop]: Abstraction has 5082 states and 7345 transitions. [2022-11-02 20:44:58,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:44:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 7345 transitions. [2022-11-02 20:44:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-02 20:44:58,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:58,828 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:58,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:44:58,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:58,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2124575394, now seen corresponding path program 1 times [2022-11-02 20:44:58,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:58,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704582076] [2022-11-02 20:44:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:58,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:44:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:44:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:44:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:44:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:44:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:44:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:44:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:44:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:44:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:44:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:44:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:45:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:45:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:45:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:45:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:45:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:45:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:45:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:45:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:45:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 20:45:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:45:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:45:00,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:00,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704582076] [2022-11-02 20:45:00,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704582076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:00,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:00,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:45:00,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694421125] [2022-11-02 20:45:00,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:00,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:45:00,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:00,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:45:00,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:45:00,354 INFO L87 Difference]: Start difference. First operand 5082 states and 7345 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:45:02,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:04,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:12,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:26,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:30,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:44,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:44,350 INFO L93 Difference]: Finished difference Result 17092 states and 25619 transitions. [2022-11-02 20:45:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:45:44,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 286 [2022-11-02 20:45:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:44,459 INFO L225 Difference]: With dead ends: 17092 [2022-11-02 20:45:44,459 INFO L226 Difference]: Without dead ends: 12053 [2022-11-02 20:45:44,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:45:44,501 INFO L413 NwaCegarLoop]: 5942 mSDtfsCounter, 10133 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 5114 mSolverCounterSat, 8796 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10604 SdHoareTripleChecker+Valid, 13949 SdHoareTripleChecker+Invalid, 13912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8796 IncrementalHoareTripleChecker+Valid, 5114 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:44,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10604 Valid, 13949 Invalid, 13912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8796 Valid, 5114 Invalid, 2 Unknown, 0 Unchecked, 42.8s Time] [2022-11-02 20:45:44,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12053 states. [2022-11-02 20:45:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12053 to 9827. [2022-11-02 20:45:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9827 states, 6068 states have (on average 1.3032300593276203) internal successors, (7908), 6279 states have internal predecessors, (7908), 3137 states have call successors, (3137), 622 states have call predecessors, (3137), 621 states have return successors, (3136), 3078 states have call predecessors, (3136), 3136 states have call successors, (3136) [2022-11-02 20:45:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9827 states to 9827 states and 14181 transitions. [2022-11-02 20:45:45,227 INFO L78 Accepts]: Start accepts. Automaton has 9827 states and 14181 transitions. Word has length 286 [2022-11-02 20:45:45,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:45,229 INFO L495 AbstractCegarLoop]: Abstraction has 9827 states and 14181 transitions. [2022-11-02 20:45:45,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 20:45:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9827 states and 14181 transitions. [2022-11-02 20:45:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-02 20:45:45,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:45,240 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:45:45,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:45:45,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:45:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:45,241 INFO L85 PathProgramCache]: Analyzing trace with hash 441779273, now seen corresponding path program 1 times [2022-11-02 20:45:45,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:45,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751544955] [2022-11-02 20:45:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:45:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:45:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:45:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:45:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:45:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:45:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:45:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:45:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:45:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:45:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:45:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:45:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:45:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:45:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:45:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:45:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:45:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:45:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 20:45:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-02 20:45:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-02 20:45:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:45:46,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:46,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751544955] [2022-11-02 20:45:46,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751544955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:46,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:46,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:45:46,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944233881] [2022-11-02 20:45:46,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:46,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:45:46,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:46,748 INFO L87 Difference]: Start difference. First operand 9827 states and 14181 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 20:45:48,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:45:51,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:46:09,574 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 20:46:26,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:26,987 INFO L93 Difference]: Finished difference Result 32097 states and 48081 transitions. [2022-11-02 20:46:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:46:26,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 295 [2022-11-02 20:46:26,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:27,163 INFO L225 Difference]: With dead ends: 32097 [2022-11-02 20:46:27,163 INFO L226 Difference]: Without dead ends: 22323 [2022-11-02 20:46:27,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:46:27,230 INFO L413 NwaCegarLoop]: 4691 mSDtfsCounter, 7225 mSDsluCounter, 6971 mSDsCounter, 0 mSdLazyCounter, 5091 mSolverCounterSat, 5193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7603 SdHoareTripleChecker+Valid, 11662 SdHoareTripleChecker+Invalid, 10286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5193 IncrementalHoareTripleChecker+Valid, 5091 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:27,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7603 Valid, 11662 Invalid, 10286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5193 Valid, 5091 Invalid, 2 Unknown, 0 Unchecked, 38.4s Time] [2022-11-02 20:46:27,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22323 states. [2022-11-02 20:46:28,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22323 to 19380. [2022-11-02 20:46:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19380 states, 11944 states have (on average 1.295629604822505) internal successors, (15475), 12346 states have internal predecessors, (15475), 6130 states have call successors, (6130), 1200 states have call predecessors, (6130), 1305 states have return successors, (7033), 6117 states have call predecessors, (7033), 6129 states have call successors, (7033) [2022-11-02 20:46:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19380 states to 19380 states and 28638 transitions. [2022-11-02 20:46:28,727 INFO L78 Accepts]: Start accepts. Automaton has 19380 states and 28638 transitions. Word has length 295 [2022-11-02 20:46:28,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:28,728 INFO L495 AbstractCegarLoop]: Abstraction has 19380 states and 28638 transitions. [2022-11-02 20:46:28,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 20:46:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 19380 states and 28638 transitions. [2022-11-02 20:46:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-02 20:46:28,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:28,736 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:28,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:46:28,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:46:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:28,736 INFO L85 PathProgramCache]: Analyzing trace with hash -940699674, now seen corresponding path program 1 times [2022-11-02 20:46:28,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:28,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011717945] [2022-11-02 20:46:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:46:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:46:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:46:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:46:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:46:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:46:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:46:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:46:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:46:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:46:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:46:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:46:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:46:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:46:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:46:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:46:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:46:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:46:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:46:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-02 20:46:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:46:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:46:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-02 20:46:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-02 20:46:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-02 20:46:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-11-02 20:46:31,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:31,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011717945] [2022-11-02 20:46:31,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011717945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:31,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:31,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:46:31,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227153644] [2022-11-02 20:46:31,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:31,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:46:31,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:31,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:46:31,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:46:31,625 INFO L87 Difference]: Start difference. First operand 19380 states and 28638 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-02 20:46:33,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []