./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--ethernet--atheros--alx--alx.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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/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--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/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 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 --- 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 20:12:06,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:12:06,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:12:06,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:12:06,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:12:06,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:12:06,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:12:06,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:12:06,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:12:06,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:12:06,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:12:06,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:12:06,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:12:06,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:12:06,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:12:06,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:12:06,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:12:06,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:12:06,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:12:06,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:12:06,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:12:06,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:12:06,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:12:06,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:12:06,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:12:06,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:12:06,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:12:06,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:12:06,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:12:06,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:12:06,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:12:06,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:12:06,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:12:06,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:12:06,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:12:06,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:12:06,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:12:06,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:12:06,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:12:06,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:12:06,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:12:06,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:12:06,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:12:06,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:12:06,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:12:06,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:12:06,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:12:06,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:12:06,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:12:06,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:12:06,413 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:12:06,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:12:06,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:12:06,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:12:06,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:12:06,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:12:06,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:12:06,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:12:06,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:12:06,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:12:06,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:12:06,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:12:06,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:12:06,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:12:06,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:12:06,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:12:06,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:12:06,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:12:06,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:12:06,423 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:12:06,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:12:06,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:12:06,424 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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f2068ebecd267166c2d24f656fc1164bd021977ce12d612bec590cb9866503 [2022-11-02 20:12:06,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:12:06,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:12:06,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:12:06,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:12:06,783 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:12:06,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2022-11-02 20:12:06,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/data/fc1970586/b23b52f73fb04641b03dded5bb57d498/FLAG7f0453024 [2022-11-02 20:12:08,009 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:12:08,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2022-11-02 20:12:08,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/data/fc1970586/b23b52f73fb04641b03dded5bb57d498/FLAG7f0453024 [2022-11-02 20:12:08,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/data/fc1970586/b23b52f73fb04641b03dded5bb57d498 [2022-11-02 20:12:08,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:12:08,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:12:08,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:12:08,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:12:08,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:12:08,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:08" (1/1) ... [2022-11-02 20:12:08,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f05f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:08, skipping insertion in model container [2022-11-02 20:12:08,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:08" (1/1) ... [2022-11-02 20:12:08,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:12:08,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:12:12,781 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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2022-11-02 20:12:12,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:12,991 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:12:13,597 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_2fbe5acf-b43b-423f-8bc1-8077da3e582f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i[381779,381792] [2022-11-02 20:12:13,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:14,034 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:12:14,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14 WrapperNode [2022-11-02 20:12:14,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:12:14,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:14,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:12:14,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:12:14,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:14,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:14,675 INFO L138 Inliner]: procedures = 473, calls = 3863, calls flagged for inlining = 218, calls inlined = 198, statements flattened = 7207 [2022-11-02 20:12:14,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:14,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:12:14,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:12:14,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:12:14,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:14,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:14,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:14,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:12:15,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:12:15,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:12:15,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:12:15,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (1/1) ... [2022-11-02 20:12:15,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:12:15,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:15,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:15,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fbe5acf-b43b-423f-8bc1-8077da3e582f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:12:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-02 20:12:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-02 20:12:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:12:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:12:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:12:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:12:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:12:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:12:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-02 20:12:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-02 20:12:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-02 20:12:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-02 20:12:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-02 20:12:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-02 20:12:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-02 20:12:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-02 20:12:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-02 20:12:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-02 20:12:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-02 20:12:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-02 20:12:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:12:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:12:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-02 20:12:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-02 20:12:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:12:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:12:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:12:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:12:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_link_check [2022-11-02 20:12:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_link_check [2022-11-02 20:12:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-02 20:12:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-02 20:12:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-02 20:12:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-02 20:12:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:12:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:12:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-02 20:12:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-02 20:12:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-02 20:12:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-02 20:12:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:12:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:12:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:12:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:12:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:12:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:12:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-02 20:12:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-02 20:12:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:12:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:12:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-02 20:12:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-02 20:12:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 20:12:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 20:12:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:12:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:12:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:12:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-02 20:12:15,467 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-02 20:12:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 20:12:15,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 20:12:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:12:15,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:12:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-02 20:12:15,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-02 20:12:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-02 20:12:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-02 20:12:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-02 20:12:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:12:15,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:12:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:12:15,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:12:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_detected [2022-11-02 20:12:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_detected [2022-11-02 20:12:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:12:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-02 20:12:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-02 20:12:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:12:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:12:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-02 20:12:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-02 20:12:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:12:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:12:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:12:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-02 20:12:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-02 20:12:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure alx_change_mtu [2022-11-02 20:12:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_change_mtu [2022-11-02 20:12:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:12:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:12:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:12:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:12:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:12:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-02 20:12:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-02 20:12:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-02 20:12:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-02 20:12:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-02 20:12:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-02 20:12:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:12:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:12:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-02 20:12:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-02 20:12:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-02 20:12:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-02 20:12:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:12:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:12:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset [2022-11-02 20:12:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset [2022-11-02 20:12:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:12:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:12:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:12:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-02 20:12:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-02 20:12:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-02 20:12:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-02 20:12:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-02 20:12:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-02 20:12:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-02 20:12:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-02 20:12:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-02 20:12:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:12:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:12:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:12:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:12:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:12:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:12:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:12:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-02 20:12:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-02 20:12:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-02 20:12:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-02 20:12:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-02 20:12:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-02 20:12:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_stats64 [2022-11-02 20:12:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_stats64 [2022-11-02 20:12:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-02 20:12:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-02 20:12:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-02 20:12:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-02 20:12:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-02 20:12:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-02 20:12:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-02 20:12:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-02 20:12:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-02 20:12:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-02 20:12:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:12:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:12:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 20:12:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 20:12:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:12:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:12:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-02 20:12:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-02 20:12:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-02 20:12:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-02 20:12:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-02 20:12:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-02 20:12:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:12:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:12:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-02 20:12:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-02 20:12:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:12:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:12:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:12:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:12:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-02 20:12:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-02 20:12:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:12:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:12:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:12:15,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:12:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-02 20:12:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-02 20:12:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 20:12:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 20:12:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_mac_address [2022-11-02 20:12:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_mac_address [2022-11-02 20:12:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:12:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:12:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:12:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:12:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:12:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-02 20:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-02 20:12:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 20:12:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 20:12:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-02 20:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-02 20:12:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-11-02 20:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-11-02 20:12:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:12:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:12:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-02 20:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-02 20:12:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-02 20:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-02 20:12:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:12:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-02 20:12:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-02 20:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-02 20:12:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-02 20:12:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-02 20:12:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-02 20:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 20:12:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 20:12:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:12:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:12:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-02 20:12:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-02 20:12:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:12:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:12:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:12:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:12:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:12:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-02 20:12:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-02 20:12:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-02 20:12:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-02 20:12:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 20:12:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 20:12:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-02 20:12:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-02 20:12:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:12:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:12:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:12:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:12:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:12:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_slot_reset [2022-11-02 20:12:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_slot_reset [2022-11-02 20:12:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:12:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-02 20:12:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-02 20:12:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-02 20:12:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-02 20:12:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-02 20:12:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-02 20:12:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure alx_ioctl [2022-11-02 20:12:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_ioctl [2022-11-02 20:12:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-02 20:12:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-02 20:12:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 20:12:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 20:12:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:12:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:12:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:12:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:12:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:12:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:12:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure alx_fix_features [2022-11-02 20:12:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_fix_features [2022-11-02 20:12:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:12:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:12:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-02 20:12:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-02 20:12:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:12:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:12:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-02 20:12:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-02 20:12:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:12:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:12:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-02 20:12:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-02 20:12:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:12:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-02 20:12:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-02 20:12:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:12:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:12:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-02 20:12:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-02 20:12:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-02 20:12:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-02 20:12:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-02 20:12:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-02 20:12:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-02 20:12:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-02 20:12:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:12:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:12:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-02 20:12:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-02 20:12:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:12:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:12:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-02 20:12:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-02 20:12:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-02 20:12:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-02 20:12:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-02 20:12:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-02 20:12:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-02 20:12:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-02 20:12:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 20:12:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 20:12:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-02 20:12:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-02 20:12:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-02 20:12:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-02 20:12:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-02 20:12:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-02 20:12:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 20:12:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 20:12:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-02 20:12:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-02 20:12:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 20:12:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 20:12:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-02 20:12:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-02 20:12:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-02 20:12:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-02 20:12:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-02 20:12:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-02 20:12:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:12:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:12:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-02 20:12:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-02 20:12:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:12:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:12:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:12:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-02 20:12:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-02 20:12:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-02 20:12:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-02 20:12:16,796 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:12:16,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:12:17,166 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:12:32,807 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:12:32,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:12:32,846 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:12:32,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:32 BoogieIcfgContainer [2022-11-02 20:12:32,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:12:32,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:12:32,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:12:32,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:12:32,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:12:08" (1/3) ... [2022-11-02 20:12:32,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f96810a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:32, skipping insertion in model container [2022-11-02 20:12:32,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:14" (2/3) ... [2022-11-02 20:12:32,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f96810a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:32, skipping insertion in model container [2022-11-02 20:12:32,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:32" (3/3) ... [2022-11-02 20:12:32,866 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--alx--alx.ko-entry_point.cil.out.i [2022-11-02 20:12:32,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:12:32,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:12:33,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:12:33,057 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;@64466bac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:12:33,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:12:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) [2022-11-02 20:12:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-02 20:12:33,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:12:33,116 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:12:33,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:12:33,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:33,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1674508748, now seen corresponding path program 1 times [2022-11-02 20:12:33,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:33,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673054745] [2022-11-02 20:12:33,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:12:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:12:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:12:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:12:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:12:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:12:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:12:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:12:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:12:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:12:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-02 20:12:34,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:34,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673054745] [2022-11-02 20:12:34,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673054745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:34,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:34,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:12:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502907239] [2022-11-02 20:12:34,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:34,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:12:34,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:34,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:12:34,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:12:34,906 INFO L87 Difference]: Start difference. First operand has 2605 states, 1756 states have (on average 1.3314350797266514) internal successors, (2338), 1805 states have internal predecessors, (2338), 697 states have call successors, (697), 152 states have call predecessors, (697), 151 states have return successors, (684), 675 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:12:40,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:12:45,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:12:45,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:12:45,762 INFO L93 Difference]: Finished difference Result 5477 states and 7944 transitions. [2022-11-02 20:12:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:12:45,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2022-11-02 20:12:45,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:12:45,834 INFO L225 Difference]: With dead ends: 5477 [2022-11-02 20:12:45,834 INFO L226 Difference]: Without dead ends: 2848 [2022-11-02 20:12:45,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 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 20:12:45,865 INFO L413 NwaCegarLoop]: 3448 mSDtfsCounter, 2511 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 2935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 4963 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:12:45,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 4963 Invalid, 4126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2935 Valid, 1190 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-11-02 20:12:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-11-02 20:12:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2573. [2022-11-02 20:12:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 1739 states have (on average 1.3214491086831512) internal successors, (2298), 1772 states have internal predecessors, (2298), 683 states have call successors, (683), 151 states have call predecessors, (683), 150 states have return successors, (682), 673 states have call predecessors, (682), 682 states have call successors, (682) [2022-11-02 20:12:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3663 transitions. [2022-11-02 20:12:46,217 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3663 transitions. Word has length 159 [2022-11-02 20:12:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:12:46,217 INFO L495 AbstractCegarLoop]: Abstraction has 2573 states and 3663 transitions. [2022-11-02 20:12:46,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:12:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3663 transitions. [2022-11-02 20:12:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-02 20:12:46,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:12:46,241 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:12:46,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:12:46,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:12:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1384403330, now seen corresponding path program 1 times [2022-11-02 20:12:46,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:46,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103379033] [2022-11-02 20:12:46,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:12:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:12:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:12:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:12:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:12:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:12:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:12:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:12:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:12:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:12:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:12:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:12:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-02 20:12:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:47,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103379033] [2022-11-02 20:12:47,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103379033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:47,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:47,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:12:47,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187523562] [2022-11-02 20:12:47,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:47,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:12:47,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:47,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:12:47,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:12:47,320 INFO L87 Difference]: Start difference. First operand 2573 states and 3663 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:12:51,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:12:53,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:04,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:11,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:13,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:13:13,813 INFO L93 Difference]: Finished difference Result 7887 states and 11340 transitions. [2022-11-02 20:13:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:13:13,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 159 [2022-11-02 20:13:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:13:13,863 INFO L225 Difference]: With dead ends: 7887 [2022-11-02 20:13:13,864 INFO L226 Difference]: Without dead ends: 5337 [2022-11-02 20:13:13,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:13:13,883 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 5806 mSDsluCounter, 5078 mSDsCounter, 0 mSdLazyCounter, 4790 mSolverCounterSat, 4060 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6221 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 8855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4060 IncrementalHoareTripleChecker+Valid, 4790 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:13:13,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6221 Valid, 8994 Invalid, 8855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4060 Valid, 4790 Invalid, 5 Unknown, 0 Unchecked, 25.7s Time] [2022-11-02 20:13:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2022-11-02 20:13:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 4794. [2022-11-02 20:13:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3237 states have (on average 1.321902996601792) internal successors, (4279), 3304 states have internal predecessors, (4279), 1269 states have call successors, (1269), 288 states have call predecessors, (1269), 287 states have return successors, (1268), 1247 states have call predecessors, (1268), 1268 states have call successors, (1268) [2022-11-02 20:13:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6816 transitions. [2022-11-02 20:13:14,243 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6816 transitions. Word has length 159 [2022-11-02 20:13:14,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:13:14,244 INFO L495 AbstractCegarLoop]: Abstraction has 4794 states and 6816 transitions. [2022-11-02 20:13:14,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:13:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6816 transitions. [2022-11-02 20:13:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-02 20:13:14,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:13:14,255 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:13:14,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:13:14,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:13:14,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:13:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1047828308, now seen corresponding path program 1 times [2022-11-02 20:13:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:13:14,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404027082] [2022-11-02 20:13:14,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:13:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:13:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:13:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:13:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:13:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:13:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:13:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:13:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:13:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:13:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:13:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:13:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:13:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:13:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:13:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:13:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:13:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-02 20:13:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:13:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-02 20:13:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:13:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-02 20:13:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:13:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-02 20:13:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 20:13:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-02 20:13:15,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:13:15,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404027082] [2022-11-02 20:13:15,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404027082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:13:15,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:13:15,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:13:15,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367122804] [2022-11-02 20:13:15,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:13:15,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:13:15,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:13:15,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:13:15,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:13:15,503 INFO L87 Difference]: Start difference. First operand 4794 states and 6816 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-02 20:13:19,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:20,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:36,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:37,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:13:37,905 INFO L93 Difference]: Finished difference Result 15202 states and 21828 transitions. [2022-11-02 20:13:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:13:37,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 244 [2022-11-02 20:13:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:13:37,983 INFO L225 Difference]: With dead ends: 15202 [2022-11-02 20:13:37,984 INFO L226 Difference]: Without dead ends: 10431 [2022-11-02 20:13:38,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:13:38,012 INFO L413 NwaCegarLoop]: 4150 mSDtfsCounter, 6028 mSDsluCounter, 4988 mSDsCounter, 0 mSdLazyCounter, 5177 mSolverCounterSat, 4136 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 9138 SdHoareTripleChecker+Invalid, 9314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4136 IncrementalHoareTripleChecker+Valid, 5177 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:13:38,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 9138 Invalid, 9314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4136 Valid, 5177 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2022-11-02 20:13:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2022-11-02 20:13:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 9380. [2022-11-02 20:13:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9380 states, 6341 states have (on average 1.3214004100299637) internal successors, (8379), 6471 states have internal predecessors, (8379), 2470 states have call successors, (2470), 569 states have call predecessors, (2470), 568 states have return successors, (2469), 2425 states have call predecessors, (2469), 2469 states have call successors, (2469) [2022-11-02 20:13:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 13318 transitions. [2022-11-02 20:13:38,726 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 13318 transitions. Word has length 244 [2022-11-02 20:13:38,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:13:38,727 INFO L495 AbstractCegarLoop]: Abstraction has 9380 states and 13318 transitions. [2022-11-02 20:13:38,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-02 20:13:38,728 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 13318 transitions. [2022-11-02 20:13:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-11-02 20:13:38,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:13:38,753 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:13:38,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:13:38,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:13:38,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:13:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2065086585, now seen corresponding path program 1 times [2022-11-02 20:13:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:13:38,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439103523] [2022-11-02 20:13:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:13:38,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:13:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:13:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:13:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:13:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:13:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:13:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:13:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:13:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:13:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:13:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:13:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:13:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:13:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 20:13:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:13:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 20:13:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:13:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:13:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:13:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:13:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:13:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-02 20:13:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 20:13:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-02 20:13:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-02 20:13:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-02 20:13:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-02 20:13:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-02 20:13:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-02 20:13:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:13:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-02 20:13:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 20:13:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:13:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2022-11-02 20:13:40,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:13:40,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439103523] [2022-11-02 20:13:40,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439103523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:13:40,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:13:40,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:13:40,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601787628] [2022-11-02 20:13:40,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:13:40,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:13:40,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:13:40,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:13:40,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:13:40,486 INFO L87 Difference]: Start difference. First operand 9380 states and 13318 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-02 20:13:44,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:13:50,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:03,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:04,456 WARN L539 Checker$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 20:14:06,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:06,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:14:06,591 INFO L93 Difference]: Finished difference Result 25328 states and 36374 transitions. [2022-11-02 20:14:06,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:14:06,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 353 [2022-11-02 20:14:06,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:14:06,696 INFO L225 Difference]: With dead ends: 25328 [2022-11-02 20:14:06,696 INFO L226 Difference]: Without dead ends: 15971 [2022-11-02 20:14:06,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:14:06,745 INFO L413 NwaCegarLoop]: 6316 mSDtfsCounter, 5769 mSDsluCounter, 6479 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 4858 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6308 SdHoareTripleChecker+Valid, 12795 SdHoareTripleChecker+Invalid, 11146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4858 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:14:06,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6308 Valid, 12795 Invalid, 11146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4858 Valid, 6286 Invalid, 2 Unknown, 0 Unchecked, 25.0s Time] [2022-11-02 20:14:06,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15971 states. [2022-11-02 20:14:07,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15971 to 14070. [2022-11-02 20:14:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14070 states, 9519 states have (on average 1.320832020170186) internal successors, (12573), 9716 states have internal predecessors, (12573), 3697 states have call successors, (3697), 854 states have call predecessors, (3697), 853 states have return successors, (3696), 3629 states have call predecessors, (3696), 3696 states have call successors, (3696) [2022-11-02 20:14:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14070 states to 14070 states and 19966 transitions. [2022-11-02 20:14:07,734 INFO L78 Accepts]: Start accepts. Automaton has 14070 states and 19966 transitions. Word has length 353 [2022-11-02 20:14:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:14:07,738 INFO L495 AbstractCegarLoop]: Abstraction has 14070 states and 19966 transitions. [2022-11-02 20:14:07,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-02 20:14:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 14070 states and 19966 transitions. [2022-11-02 20:14:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-02 20:14:07,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:14:07,762 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:07,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:14:07,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:14:07,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:14:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1959206403, now seen corresponding path program 1 times [2022-11-02 20:14:07,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:14:07,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941663781] [2022-11-02 20:14:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:14:07,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:14:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:14:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:14:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:14:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:14:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:14:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:14:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:14:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:14:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:14:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:14:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:14:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:14:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 20:14:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:14:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 20:14:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:14:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-02 20:14:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:14:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-02 20:14:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-02 20:14:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-02 20:14:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-02 20:14:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:14:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-02 20:14:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-02 20:14:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-02 20:14:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-02 20:14:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-02 20:14:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-02 20:14:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-11-02 20:14:09,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:14:09,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941663781] [2022-11-02 20:14:09,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941663781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:14:09,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:14:09,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:14:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122321176] [2022-11-02 20:14:09,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:14:09,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:14:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:14:09,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:14:09,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:14:09,076 INFO L87 Difference]: Start difference. First operand 14070 states and 19966 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 20:14:13,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:15,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:17,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:24,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:26,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:45,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:49,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:50,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:51,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:53,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:55,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:14:57,148 WARN L539 Checker$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 20:14:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:14:57,229 INFO L93 Difference]: Finished difference Result 35354 states and 50710 transitions. [2022-11-02 20:14:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:14:57,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 366 [2022-11-02 20:14:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:14:57,357 INFO L225 Difference]: With dead ends: 35354 [2022-11-02 20:14:57,358 INFO L226 Difference]: Without dead ends: 21307 [2022-11-02 20:14:57,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:14:57,435 INFO L413 NwaCegarLoop]: 6361 mSDtfsCounter, 4842 mSDsluCounter, 10654 mSDsCounter, 0 mSdLazyCounter, 10605 mSolverCounterSat, 3570 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5381 SdHoareTripleChecker+Valid, 17015 SdHoareTripleChecker+Invalid, 14184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3570 IncrementalHoareTripleChecker+Valid, 10605 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:14:57,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5381 Valid, 17015 Invalid, 14184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3570 Valid, 10605 Invalid, 9 Unknown, 0 Unchecked, 46.8s Time] [2022-11-02 20:14:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21307 states. [2022-11-02 20:14:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21307 to 18766. [2022-11-02 20:14:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18766 states, 12701 states have (on average 1.3204472088811905) internal successors, (16771), 12965 states have internal predecessors, (16771), 4924 states have call successors, (4924), 1141 states have call predecessors, (4924), 1140 states have return successors, (4923), 4833 states have call predecessors, (4923), 4923 states have call successors, (4923) [2022-11-02 20:14:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18766 states to 18766 states and 26618 transitions. [2022-11-02 20:14:58,947 INFO L78 Accepts]: Start accepts. Automaton has 18766 states and 26618 transitions. Word has length 366 [2022-11-02 20:14:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:14:58,948 INFO L495 AbstractCegarLoop]: Abstraction has 18766 states and 26618 transitions. [2022-11-02 20:14:58,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 20:14:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 18766 states and 26618 transitions. [2022-11-02 20:14:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-11-02 20:14:58,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:14:58,986 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:58,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:14:58,986 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:14:58,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:14:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1706503596, now seen corresponding path program 1 times [2022-11-02 20:14:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:14:58,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101233111] [2022-11-02 20:14:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:14:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:14:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:14:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:14:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:14:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:14:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:14:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:14:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:14:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:14:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:14:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:14:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:15:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:15:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:15:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:15:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:15:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:15:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:15:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:15:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 20:15:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:15:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:15:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 20:15:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:15:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-02 20:15:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-02 20:15:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 20:15:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:15:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-02 20:15:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-02 20:15:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-02 20:15:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-02 20:15:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:15:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-02 20:15:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 20:15:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-02 20:15:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-02 20:15:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-02 20:15:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-02 20:15:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-11-02 20:15:00,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:00,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101233111] [2022-11-02 20:15:00,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101233111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:00,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:00,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:15:00,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347430915] [2022-11-02 20:15:00,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:00,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:15:00,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:00,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:15:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:15:00,535 INFO L87 Difference]: Start difference. First operand 18766 states and 26618 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 20:15:04,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:15:14,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:15:16,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:15:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:16,750 INFO L93 Difference]: Finished difference Result 21776 states and 31226 transitions. [2022-11-02 20:15:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:15:16,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 377 [2022-11-02 20:15:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:16,752 INFO L225 Difference]: With dead ends: 21776 [2022-11-02 20:15:16,752 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:15:16,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:15:16,802 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 5601 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 3990 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5902 SdHoareTripleChecker+Valid, 5689 SdHoareTripleChecker+Invalid, 7028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3990 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:15:16,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5902 Valid, 5689 Invalid, 7028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3990 Valid, 3035 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-02 20:15:16,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:15:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:15:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:15:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:15:16,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 377 [2022-11-02 20:15:16,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:16,809 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:15:16,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-02 20:15:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:15:16,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:15:16,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:15:16,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:15:16,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.