./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a --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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- 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-b5237d8 [2022-11-21 13:49:12,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:49:12,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:49:12,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:49:12,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:49:12,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:49:12,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:49:12,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:49:12,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:49:12,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:49:12,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:49:12,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:49:12,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:49:12,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:49:12,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:49:12,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:49:12,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:49:12,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:49:12,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:49:12,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:49:12,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:49:12,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:49:12,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:49:12,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:49:12,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:49:12,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:49:12,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:49:12,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:49:12,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:49:12,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:49:12,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:49:12,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:49:12,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:49:12,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:49:12,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:49:12,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:49:12,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:49:12,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:49:12,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:49:12,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:49:12,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:49:12,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:49:12,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:49:12,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:49:12,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:49:12,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:49:12,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:49:12,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:49:12,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:49:12,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:49:12,485 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:49:12,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:49:12,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:49:12,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:49:12,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:49:12,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:49:12,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:49:12,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:49:12,487 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:49:12,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:49:12,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:49:12,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:49:12,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:49:12,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:49:12,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:49:12,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:49:12,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:49:12,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:49:12,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:49:12,490 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:49:12,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:49:12,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:49:12,491 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_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-11-21 13:49:12,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:49:12,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:49:12,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:49:12,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:49:12,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:49:12,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-21 13:49:15,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:49:16,705 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:49:16,706 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-21 13:49:16,755 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/data/47ce62637/41a31bed7e2e428782c2bd45f7c1c8da/FLAGc3c7ab129 [2022-11-21 13:49:16,772 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/data/47ce62637/41a31bed7e2e428782c2bd45f7c1c8da [2022-11-21 13:49:16,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:49:16,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:49:16,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:49:16,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:49:16,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:49:16,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:49:16" (1/1) ... [2022-11-21 13:49:16,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c08919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:16, skipping insertion in model container [2022-11-21 13:49:16,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:49:16" (1/1) ... [2022-11-21 13:49:16,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:49:16,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:49:18,376 WARN L237 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_41cbced3-14f2-45e7-a551-601c5c69750f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-11-21 13:49:19,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:49:19,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:49:20,096 WARN L237 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_41cbced3-14f2-45e7-a551-601c5c69750f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-11-21 13:49:20,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:49:20,761 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:49:20,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20 WrapperNode [2022-11-21 13:49:20,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:49:20,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:49:20,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:49:20,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:49:20,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:20,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,113 INFO L138 Inliner]: procedures = 318, calls = 3934, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6386 [2022-11-21 13:49:21,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:49:21,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:49:21,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:49:21,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:49:21,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:49:21,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:49:21,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:49:21,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:49:21,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (1/1) ... [2022-11-21 13:49:21,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:49:21,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:49:21,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:49:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cbced3-14f2-45e7-a551-601c5c69750f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-21 13:49:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-21 13:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 13:49:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 13:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-21 13:49:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-21 13:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-21 13:49:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-21 13:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-21 13:49:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-21 13:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:49:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-21 13:49:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-21 13:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-21 13:49:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-21 13:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-21 13:49:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-21 13:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 13:49:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 13:49:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-11-21 13:49:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-11-21 13:49:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:49:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:49:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-21 13:49:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-21 13:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-21 13:49:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-21 13:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-21 13:49:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-21 13:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-21 13:49:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-21 13:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-11-21 13:49:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-11-21 13:49:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-11-21 13:49:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-11-21 13:49:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 13:49:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 13:49:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-11-21 13:49:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-11-21 13:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 13:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 13:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 13:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 13:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-21 13:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-21 13:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 13:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 13:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-11-21 13:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-11-21 13:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-21 13:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-21 13:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-21 13:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-21 13:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-21 13:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-21 13:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-21 13:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-21 13:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-21 13:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-21 13:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 13:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 13:49:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-11-21 13:49:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-11-21 13:49:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-21 13:49:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-21 13:49:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-21 13:49:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-21 13:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-21 13:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-21 13:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-11-21 13:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-11-21 13:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-21 13:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-21 13:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-21 13:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-21 13:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-21 13:49:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-21 13:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-11-21 13:49:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-11-21 13:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 13:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-11-21 13:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-11-21 13:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-11-21 13:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-11-21 13:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-11-21 13:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-11-21 13:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-11-21 13:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-11-21 13:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-21 13:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-21 13:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-11-21 13:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-11-21 13:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-21 13:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-21 13:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 13:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 13:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-11-21 13:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-11-21 13:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-11-21 13:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-11-21 13:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-21 13:49:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-21 13:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-21 13:49:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-21 13:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-11-21 13:49:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-11-21 13:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-21 13:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-21 13:49:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-11-21 13:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-11-21 13:49:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 13:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 13:49:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-11-21 13:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-11-21 13:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 13:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 13:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-11-21 13:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-11-21 13:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 13:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 13:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-21 13:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-21 13:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 13:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 13:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-21 13:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-21 13:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-11-21 13:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-11-21 13:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-11-21 13:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-11-21 13:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-11-21 13:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-11-21 13:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-11-21 13:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-11-21 13:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 13:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 13:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 13:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 13:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-11-21 13:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-11-21 13:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 13:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 13:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-11-21 13:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-11-21 13:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-11-21 13:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-11-21 13:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-21 13:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-21 13:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-11-21 13:49:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-11-21 13:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:49:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-21 13:49:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-21 13:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 13:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 13:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-21 13:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-21 13:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-11-21 13:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-11-21 13:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-21 13:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-21 13:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-11-21 13:49:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-11-21 13:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-11-21 13:49:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-11-21 13:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-21 13:49:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-21 13:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 13:49:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 13:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 13:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-11-21 13:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-11-21 13:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-21 13:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-21 13:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 13:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 13:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 13:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 13:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-21 13:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-21 13:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 13:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 13:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-21 13:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-21 13:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-11-21 13:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-11-21 13:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-21 13:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-21 13:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-11-21 13:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-11-21 13:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-11-21 13:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-11-21 13:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-11-21 13:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-11-21 13:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-21 13:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-21 13:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-21 13:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-21 13:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-11-21 13:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-11-21 13:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-21 13:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-21 13:49:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 13:49:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 13:49:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:49:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:49:22,509 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:49:22,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:49:22,967 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 13:49:24,095 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-21 13:49:29,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:49:29,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:49:29,554 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 13:49:29,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:29 BoogieIcfgContainer [2022-11-21 13:49:29,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:49:29,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:49:29,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:49:29,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:49:29,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:49:16" (1/3) ... [2022-11-21 13:49:29,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b44988a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:29, skipping insertion in model container [2022-11-21 13:49:29,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:20" (2/3) ... [2022-11-21 13:49:29,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b44988a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:29, skipping insertion in model container [2022-11-21 13:49:29,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:29" (3/3) ... [2022-11-21 13:49:29,568 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-21 13:49:29,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:49:29,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:49:29,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:49:29,684 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;@235c1e2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:49:29,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:49:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1433 states have (on average 1.3740404745289603) internal successors, (1969), 1508 states have internal predecessors, (1969), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-11-21 13:49:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 13:49:29,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:49:29,716 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:49:29,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:49:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:49:29,722 INFO L85 PathProgramCache]: Analyzing trace with hash -301365549, now seen corresponding path program 1 times [2022-11-21 13:49:29,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:49:29,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20184225] [2022-11-21 13:49:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:49:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:49:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:49:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:49:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:49:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:49:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:49:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:49:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:49:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:49:32,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:49:32,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20184225] [2022-11-21 13:49:32,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20184225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:49:32,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:49:32,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 13:49:32,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878714660] [2022-11-21 13:49:32,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:49:32,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 13:49:32,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:49:32,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 13:49:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:49:32,121 INFO L87 Difference]: Start difference. First operand has 2078 states, 1433 states have (on average 1.3740404745289603) internal successors, (1969), 1508 states have internal predecessors, (1969), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 13:49:53,371 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 [] [2022-11-21 13:49:55,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:50:00,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:50:02,852 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 [] [2022-11-21 13:50:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:50:06,743 INFO L93 Difference]: Finished difference Result 9285 states and 14249 transitions. [2022-11-21 13:50:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 13:50:06,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-21 13:50:06,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:50:06,812 INFO L225 Difference]: With dead ends: 9285 [2022-11-21 13:50:06,813 INFO L226 Difference]: Without dead ends: 7170 [2022-11-21 13:50:06,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-11-21 13:50:06,836 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 13768 mSDsluCounter, 9155 mSDsCounter, 0 mSdLazyCounter, 12483 mSolverCounterSat, 7351 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14413 SdHoareTripleChecker+Valid, 12228 SdHoareTripleChecker+Invalid, 19837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7351 IncrementalHoareTripleChecker+Valid, 12483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:50:06,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14413 Valid, 12228 Invalid, 19837 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7351 Valid, 12483 Invalid, 3 Unknown, 0 Unchecked, 33.1s Time] [2022-11-21 13:50:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7170 states. [2022-11-21 13:50:07,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7170 to 5982. [2022-11-21 13:50:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5982 states, 4140 states have (on average 1.3700483091787439) internal successors, (5672), 4319 states have internal predecessors, (5672), 1541 states have call successors, (1541), 301 states have call predecessors, (1541), 300 states have return successors, (1536), 1449 states have call predecessors, (1536), 1536 states have call successors, (1536) [2022-11-21 13:50:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5982 states to 5982 states and 8749 transitions. [2022-11-21 13:50:07,427 INFO L78 Accepts]: Start accepts. Automaton has 5982 states and 8749 transitions. Word has length 66 [2022-11-21 13:50:07,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:50:07,429 INFO L495 AbstractCegarLoop]: Abstraction has 5982 states and 8749 transitions. [2022-11-21 13:50:07,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 13:50:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5982 states and 8749 transitions. [2022-11-21 13:50:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 13:50:07,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:50:07,443 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:07,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:50:07,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:50:07,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:07,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1735094369, now seen corresponding path program 1 times [2022-11-21 13:50:07,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:07,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818097928] [2022-11-21 13:50:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:50:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:50:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:50:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:50:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:50:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:50:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:50:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:50:08,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:08,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818097928] [2022-11-21 13:50:08,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818097928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:08,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:08,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:50:08,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391538419] [2022-11-21 13:50:08,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:08,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:50:08,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:08,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:50:08,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:50:08,803 INFO L87 Difference]: Start difference. First operand 5982 states and 8749 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:50:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:50:28,663 INFO L93 Difference]: Finished difference Result 22337 states and 34764 transitions. [2022-11-21 13:50:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:50:28,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-11-21 13:50:28,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:50:28,804 INFO L225 Difference]: With dead ends: 22337 [2022-11-21 13:50:28,805 INFO L226 Difference]: Without dead ends: 16381 [2022-11-21 13:50:28,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:50:28,849 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 7464 mSDsluCounter, 5803 mSDsCounter, 0 mSdLazyCounter, 6685 mSolverCounterSat, 4613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7860 SdHoareTripleChecker+Valid, 8626 SdHoareTripleChecker+Invalid, 11298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4613 IncrementalHoareTripleChecker+Valid, 6685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-21 13:50:28,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7860 Valid, 8626 Invalid, 11298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4613 Valid, 6685 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-11-21 13:50:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-11-21 13:50:29,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 13400. [2022-11-21 13:50:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13400 states, 9259 states have (on average 1.3575980127443568) internal successors, (12570), 9664 states have internal predecessors, (12570), 3373 states have call successors, (3373), 600 states have call predecessors, (3373), 767 states have return successors, (4347), 3347 states have call predecessors, (4347), 3368 states have call successors, (4347) [2022-11-21 13:50:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20290 transitions. [2022-11-21 13:50:30,028 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20290 transitions. Word has length 69 [2022-11-21 13:50:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:50:30,030 INFO L495 AbstractCegarLoop]: Abstraction has 13400 states and 20290 transitions. [2022-11-21 13:50:30,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:50:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20290 transitions. [2022-11-21 13:50:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 13:50:30,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:50:30,035 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:30,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:50:30,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:50:30,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2045682879, now seen corresponding path program 1 times [2022-11-21 13:50:30,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:30,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732441472] [2022-11-21 13:50:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:50:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:50:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:50:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:50:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:50:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:50:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:50:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:50:31,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:31,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732441472] [2022-11-21 13:50:31,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732441472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:31,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:31,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:50:31,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252107353] [2022-11-21 13:50:31,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:31,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:50:31,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:31,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:50:31,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:50:31,275 INFO L87 Difference]: Start difference. First operand 13400 states and 20290 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:50:40,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:50:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:50:50,977 INFO L93 Difference]: Finished difference Result 46075 states and 73516 transitions. [2022-11-21 13:50:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:50:50,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-11-21 13:50:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:50:51,232 INFO L225 Difference]: With dead ends: 46075 [2022-11-21 13:50:51,232 INFO L226 Difference]: Without dead ends: 32701 [2022-11-21 13:50:51,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:50:51,336 INFO L413 NwaCegarLoop]: 2777 mSDtfsCounter, 7412 mSDsluCounter, 5900 mSDsCounter, 0 mSdLazyCounter, 6807 mSolverCounterSat, 4528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7811 SdHoareTripleChecker+Valid, 8677 SdHoareTripleChecker+Invalid, 11335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4528 IncrementalHoareTripleChecker+Valid, 6807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:50:51,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7811 Valid, 8677 Invalid, 11335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4528 Valid, 6807 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-21 13:50:51,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32701 states. [2022-11-21 13:50:53,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32701 to 28225. [2022-11-21 13:50:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28225 states, 19486 states have (on average 1.3514831160833418) internal successors, (26335), 20343 states have internal predecessors, (26335), 7037 states have call successors, (7037), 1198 states have call predecessors, (7037), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-11-21 13:50:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28225 states to 28225 states and 43842 transitions. [2022-11-21 13:50:53,895 INFO L78 Accepts]: Start accepts. Automaton has 28225 states and 43842 transitions. Word has length 70 [2022-11-21 13:50:53,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:50:53,895 INFO L495 AbstractCegarLoop]: Abstraction has 28225 states and 43842 transitions. [2022-11-21 13:50:53,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:50:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 28225 states and 43842 transitions. [2022-11-21 13:50:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 13:50:53,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:50:53,901 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:53,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:50:53,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:50:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1009301854, now seen corresponding path program 1 times [2022-11-21 13:50:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:53,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469112287] [2022-11-21 13:50:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:50:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:50:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:50:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:50:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:50:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:50:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:50:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:50:54,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:54,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469112287] [2022-11-21 13:50:54,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469112287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:54,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:54,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:50:54,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000168606] [2022-11-21 13:50:54,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:54,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:50:54,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:54,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:50:54,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:50:54,627 INFO L87 Difference]: Start difference. First operand 28225 states and 43842 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:02,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:51:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:11,644 INFO L93 Difference]: Finished difference Result 32699 states and 51559 transitions. [2022-11-21 13:51:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:51:11,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-11-21 13:51:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:11,870 INFO L225 Difference]: With dead ends: 32699 [2022-11-21 13:51:11,870 INFO L226 Difference]: Without dead ends: 32696 [2022-11-21 13:51:11,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:51:11,897 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 8832 mSDsluCounter, 4958 mSDsCounter, 0 mSdLazyCounter, 5764 mSolverCounterSat, 6165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9233 SdHoareTripleChecker+Valid, 7744 SdHoareTripleChecker+Invalid, 11929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6165 IncrementalHoareTripleChecker+Valid, 5764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:11,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9233 Valid, 7744 Invalid, 11929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6165 Valid, 5764 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-21 13:51:11,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32696 states. [2022-11-21 13:51:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32696 to 28226. [2022-11-21 13:51:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28226 states, 19487 states have (on average 1.351465079283625) internal successors, (26336), 20344 states have internal predecessors, (26336), 7037 states have call successors, (7037), 1198 states have call predecessors, (7037), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-11-21 13:51:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28226 states to 28226 states and 43843 transitions. [2022-11-21 13:51:14,496 INFO L78 Accepts]: Start accepts. Automaton has 28226 states and 43843 transitions. Word has length 71 [2022-11-21 13:51:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:14,498 INFO L495 AbstractCegarLoop]: Abstraction has 28226 states and 43843 transitions. [2022-11-21 13:51:14,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 28226 states and 43843 transitions. [2022-11-21 13:51:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-21 13:51:14,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:14,503 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:14,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:51:14,503 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:51:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1224543198, now seen corresponding path program 1 times [2022-11-21 13:51:14,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:14,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502826862] [2022-11-21 13:51:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:51:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:51:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:51:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:51:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:51:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:51:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:51:15,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:15,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502826862] [2022-11-21 13:51:15,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502826862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:15,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:15,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:51:15,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956500527] [2022-11-21 13:51:15,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:15,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:51:15,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:15,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:51:15,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:51:15,153 INFO L87 Difference]: Start difference. First operand 28226 states and 43843 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:26,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:26,087 INFO L93 Difference]: Finished difference Result 32695 states and 51555 transitions. [2022-11-21 13:51:26,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:26,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-11-21 13:51:26,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:26,392 INFO L225 Difference]: With dead ends: 32695 [2022-11-21 13:51:26,392 INFO L226 Difference]: Without dead ends: 32692 [2022-11-21 13:51:26,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:51:26,414 INFO L413 NwaCegarLoop]: 2290 mSDtfsCounter, 5830 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 2838 mSolverCounterSat, 3592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6128 SdHoareTripleChecker+Valid, 4906 SdHoareTripleChecker+Invalid, 6430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3592 IncrementalHoareTripleChecker+Valid, 2838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:26,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6128 Valid, 4906 Invalid, 6430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3592 Valid, 2838 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-21 13:51:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32692 states. [2022-11-21 13:51:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32692 to 28225. [2022-11-21 13:51:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28225 states, 19487 states have (on average 1.3514137630215015) internal successors, (26335), 20343 states have internal predecessors, (26335), 7036 states have call successors, (7036), 1198 states have call predecessors, (7036), 1701 states have return successors, (10470), 7143 states have call predecessors, (10470), 7032 states have call successors, (10470) [2022-11-21 13:51:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28225 states to 28225 states and 43841 transitions. [2022-11-21 13:51:28,733 INFO L78 Accepts]: Start accepts. Automaton has 28225 states and 43841 transitions. Word has length 72 [2022-11-21 13:51:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:28,734 INFO L495 AbstractCegarLoop]: Abstraction has 28225 states and 43841 transitions. [2022-11-21 13:51:28,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 28225 states and 43841 transitions. [2022-11-21 13:51:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 13:51:28,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:28,738 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:28,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:51:28,738 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:51:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash 692914597, now seen corresponding path program 1 times [2022-11-21 13:51:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:28,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211510318] [2022-11-21 13:51:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:28,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:51:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:51:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:51:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:51:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:51:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:51:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 13:51:29,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:29,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211510318] [2022-11-21 13:51:29,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211510318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:29,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:29,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:51:29,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545977141] [2022-11-21 13:51:29,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:29,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:51:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:51:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:51:29,270 INFO L87 Difference]: Start difference. First operand 28225 states and 43841 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:37,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:51:39,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:51:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:42,531 INFO L93 Difference]: Finished difference Result 32694 states and 51553 transitions. [2022-11-21 13:51:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:42,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2022-11-21 13:51:42,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:42,761 INFO L225 Difference]: With dead ends: 32694 [2022-11-21 13:51:42,761 INFO L226 Difference]: Without dead ends: 32637 [2022-11-21 13:51:42,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:51:42,795 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 5158 mSDsluCounter, 3356 mSDsCounter, 0 mSdLazyCounter, 3376 mSolverCounterSat, 2778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5454 SdHoareTripleChecker+Valid, 5640 SdHoareTripleChecker+Invalid, 6154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2778 IncrementalHoareTripleChecker+Valid, 3376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:42,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5454 Valid, 5640 Invalid, 6154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2778 Valid, 3376 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-11-21 13:51:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32637 states. [2022-11-21 13:51:45,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32637 to 28170. [2022-11-21 13:51:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28170 states, 19445 states have (on average 1.3515042427359218) internal successors, (26280), 20300 states have internal predecessors, (26280), 7025 states have call successors, (7025), 1196 states have call predecessors, (7025), 1699 states have return successors, (10460), 7133 states have call predecessors, (10460), 7022 states have call successors, (10460) [2022-11-21 13:51:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28170 states to 28170 states and 43765 transitions. [2022-11-21 13:51:45,389 INFO L78 Accepts]: Start accepts. Automaton has 28170 states and 43765 transitions. Word has length 73 [2022-11-21 13:51:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:45,389 INFO L495 AbstractCegarLoop]: Abstraction has 28170 states and 43765 transitions. [2022-11-21 13:51:45,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-21 13:51:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 28170 states and 43765 transitions. [2022-11-21 13:51:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-21 13:51:45,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:45,476 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:45,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:51:45,476 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:51:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash -782248497, now seen corresponding path program 1 times [2022-11-21 13:51:45,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:45,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628586408] [2022-11-21 13:51:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:45,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:51:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:51:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:51:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:51:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:51:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 13:51:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:51:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 13:51:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:51:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 13:51:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:51:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 13:51:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 13:51:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:51:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:51:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:51:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:51:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 13:51:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:51:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 13:51:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 13:51:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-21 13:51:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-21 13:51:46,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:46,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628586408] [2022-11-21 13:51:46,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628586408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:46,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:46,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 13:51:46,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027855996] [2022-11-21 13:51:46,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:46,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 13:51:46,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:46,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 13:51:46,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:51:46,239 INFO L87 Difference]: Start difference. First operand 28170 states and 43765 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 13:52:06,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:52:10,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:52:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:33,346 INFO L93 Difference]: Finished difference Result 107533 states and 171056 transitions. [2022-11-21 13:52:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-21 13:52:33,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 202 [2022-11-21 13:52:33,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:33,918 INFO L225 Difference]: With dead ends: 107533 [2022-11-21 13:52:33,919 INFO L226 Difference]: Without dead ends: 79389 [2022-11-21 13:52:34,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-11-21 13:52:34,211 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 14293 mSDsluCounter, 9183 mSDsCounter, 0 mSdLazyCounter, 16351 mSolverCounterSat, 12936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14817 SdHoareTripleChecker+Valid, 11534 SdHoareTripleChecker+Invalid, 29287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12936 IncrementalHoareTripleChecker+Valid, 16351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:34,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14817 Valid, 11534 Invalid, 29287 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12936 Valid, 16351 Invalid, 0 Unknown, 0 Unchecked, 40.0s Time] [2022-11-21 13:52:34,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79389 states. [2022-11-21 13:52:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79389 to 55607. [2022-11-21 13:52:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55607 states, 37815 states have (on average 1.3440698135660452) internal successors, (50826), 39580 states have internal predecessors, (50826), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-11-21 13:52:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55607 states to 55607 states and 84263 transitions. [2022-11-21 13:52:39,724 INFO L78 Accepts]: Start accepts. Automaton has 55607 states and 84263 transitions. Word has length 202 [2022-11-21 13:52:39,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:39,725 INFO L495 AbstractCegarLoop]: Abstraction has 55607 states and 84263 transitions. [2022-11-21 13:52:39,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 13:52:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 55607 states and 84263 transitions. [2022-11-21 13:52:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-21 13:52:39,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:39,859 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:52:39,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:52:39,860 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:52:39,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash -450039833, now seen corresponding path program 1 times [2022-11-21 13:52:39,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:39,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642932954] [2022-11-21 13:52:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:52:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:52:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:52:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:52:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:52:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:52:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 13:52:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 13:52:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 13:52:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 13:52:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:52:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 13:52:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:52:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 13:52:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 13:52:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:52:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:52:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 13:52:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:52:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 13:52:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 13:52:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 13:52:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:52:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 13:52:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 13:52:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-21 13:52:41,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:41,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642932954] [2022-11-21 13:52:41,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642932954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:41,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:41,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:52:41,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988323678] [2022-11-21 13:52:41,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:41,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:52:41,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:41,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:52:41,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:52:41,023 INFO L87 Difference]: Start difference. First operand 55607 states and 84263 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 13:52:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:52:57,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:52:59,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:15,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:53:15,724 INFO L93 Difference]: Finished difference Result 141007 states and 230360 transitions. [2022-11-21 13:53:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-21 13:53:15,725 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2022-11-21 13:53:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:53:16,532 INFO L225 Difference]: With dead ends: 141007 [2022-11-21 13:53:16,532 INFO L226 Difference]: Without dead ends: 85426 [2022-11-21 13:53:16,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-11-21 13:53:16,825 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 12790 mSDsluCounter, 10075 mSDsCounter, 0 mSdLazyCounter, 9811 mSolverCounterSat, 11674 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13170 SdHoareTripleChecker+Valid, 12639 SdHoareTripleChecker+Invalid, 21486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11674 IncrementalHoareTripleChecker+Valid, 9811 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:53:16,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13170 Valid, 12639 Invalid, 21486 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11674 Valid, 9811 Invalid, 1 Unknown, 0 Unchecked, 25.1s Time] [2022-11-21 13:53:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85426 states. [2022-11-21 13:53:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85426 to 55639. [2022-11-21 13:53:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55639 states, 37847 states have (on average 1.3436203662113246) internal successors, (50852), 39612 states have internal predecessors, (50852), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-11-21 13:53:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55639 states to 55639 states and 84289 transitions. [2022-11-21 13:53:23,021 INFO L78 Accepts]: Start accepts. Automaton has 55639 states and 84289 transitions. Word has length 232 [2022-11-21 13:53:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:23,022 INFO L495 AbstractCegarLoop]: Abstraction has 55639 states and 84289 transitions. [2022-11-21 13:53:23,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 13:53:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 55639 states and 84289 transitions. [2022-11-21 13:53:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-21 13:53:23,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:23,138 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:53:23,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:53:23,139 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:53:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:23,140 INFO L85 PathProgramCache]: Analyzing trace with hash -855695016, now seen corresponding path program 1 times [2022-11-21 13:53:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:23,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587645645] [2022-11-21 13:53:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:53:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:53:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:53:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:53:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:53:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:53:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 13:53:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 13:53:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:53:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:53:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 13:53:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 13:53:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 13:53:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:53:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 13:53:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:53:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:53:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 13:53:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 13:53:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 13:53:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 13:53:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 13:53:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 13:53:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 13:53:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 13:53:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 13:53:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-21 13:53:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:53:24,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587645645] [2022-11-21 13:53:24,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587645645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:53:24,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:53:24,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 13:53:24,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311289341] [2022-11-21 13:53:24,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:53:24,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:53:24,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:53:24,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:53:24,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:53:24,447 INFO L87 Difference]: Start difference. First operand 55639 states and 84289 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-21 13:53:51,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:53,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:55,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:56,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:58,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:01,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:03,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:05,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []