./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8 --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 4b829e0b1083ca135908ac8582697cf0831b43587b46e1b9cc42429c7a2c7866 --- 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-e04fb08 [2022-11-16 12:43:55,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:55,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:55,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:55,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:55,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:55,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:55,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:55,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:55,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:55,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:55,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:55,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:55,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:55,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:55,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:55,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:55,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:55,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:55,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:55,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:55,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:55,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:55,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:55,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:55,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:55,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:55,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:55,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:55,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:55,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:55,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:55,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:55,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:55,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:55,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:55,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:55,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:55,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:55,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:55,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:55,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:43:55,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:55,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:55,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:55,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:55,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:55,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:55,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:55,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:55,511 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:55,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:55,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:55,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:55,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:55,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:55,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:55,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:55,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:55,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:55,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:55,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:55,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:55,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:55,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:55,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:55,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:55,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:55,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:55,518 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:55,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:55,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:55,518 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_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b829e0b1083ca135908ac8582697cf0831b43587b46e1b9cc42429c7a2c7866 [2022-11-16 12:43:55,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:55,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:55,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:55,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:55,900 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:55,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-16 12:43:55,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/data/0952bf16d/aa5624e4c8aa4dfb98d39ec68830ce62/FLAG3262163d3 [2022-11-16 12:43:57,049 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:57,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-16 12:43:57,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/data/0952bf16d/aa5624e4c8aa4dfb98d39ec68830ce62/FLAG3262163d3 [2022-11-16 12:43:57,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/data/0952bf16d/aa5624e4c8aa4dfb98d39ec68830ce62 [2022-11-16 12:43:57,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:57,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:57,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:57,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:57,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:57,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:57" (1/1) ... [2022-11-16 12:43:57,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601f13c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:57, skipping insertion in model container [2022-11-16 12:43:57,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:57" (1/1) ... [2022-11-16 12:43:57,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:57,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:44:00,239 WARN L229 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_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2022-11-16 12:44:00,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:44:00,507 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:44:01,135 WARN L229 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_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2022-11-16 12:44:01,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:44:01,343 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:44:01,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01 WrapperNode [2022-11-16 12:44:01,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:44:01,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:44:01,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:44:01,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:44:01,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,620 INFO L138 Inliner]: procedures = 341, calls = 3956, calls flagged for inlining = 136, calls inlined = 92, statements flattened = 5417 [2022-11-16 12:44:01,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:44:01,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:44:01,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:44:01,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:44:01,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:44:01,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:44:01,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:44:01,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:44:01,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (1/1) ... [2022-11-16 12:44:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:44:01,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:44:02,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:44:02,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418f7237-ca5b-4ad8-8041-1f9da0cc7b7a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:44:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-16 12:44:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-16 12:44:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-16 12:44:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-16 12:44:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:44:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:44:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-16 12:44:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-16 12:44:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 12:44:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 12:44:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-16 12:44:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-16 12:44:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:44:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:44:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:44:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:44:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-16 12:44:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-16 12:44:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-16 12:44:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-16 12:44:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-16 12:44:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-16 12:44:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-11-16 12:44:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-11-16 12:44:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 12:44:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 12:44:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:44:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:44:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-16 12:44:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-16 12:44:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-16 12:44:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-16 12:44:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-16 12:44:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-16 12:44:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-11-16 12:44:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-11-16 12:44:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-11-16 12:44:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-11-16 12:44:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-16 12:44:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-16 12:44:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:44:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:44:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-11-16 12:44:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-11-16 12:44:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:44:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:44:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-16 12:44:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-16 12:44:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:44:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:44:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 12:44:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 12:44:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-16 12:44:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-16 12:44:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 12:44:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 12:44:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-16 12:44:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-16 12:44:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:44:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:44:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-16 12:44:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-16 12:44:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-16 12:44:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-16 12:44:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-16 12:44:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-16 12:44:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-16 12:44:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-16 12:44:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:44:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-16 12:44:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-16 12:44:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:44:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:44:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-16 12:44:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-16 12:44:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-11-16 12:44:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-11-16 12:44:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 12:44:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:44:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-11-16 12:44:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-11-16 12:44:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-16 12:44:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-16 12:44:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-11-16 12:44:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-11-16 12:44:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-16 12:44:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-16 12:44:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:44:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:44:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-11-16 12:44:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-11-16 12:44:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:44:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-16 12:44:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-16 12:44:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:44:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-16 12:44:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-16 12:44:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-16 12:44:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-16 12:44:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:44:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:44:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-11-16 12:44:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-11-16 12:44:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 12:44:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 12:44:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-11-16 12:44:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-11-16 12:44:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-16 12:44:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-16 12:44:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:44:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:44:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-16 12:44:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-16 12:44:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-11-16 12:44:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-11-16 12:44:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:44:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-11-16 12:44:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-11-16 12:44:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 12:44:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 12:44:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 12:44:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 12:44:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-11-16 12:44:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-11-16 12:44:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-16 12:44:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-16 12:44:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 12:44:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 12:44:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 12:44:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 12:44:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-16 12:44:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-16 12:44:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-16 12:44:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-16 12:44:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:44:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:44:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:44:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-11-16 12:44:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-11-16 12:44:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:44:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:44:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-16 12:44:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-16 12:44:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:44:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:44:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:44:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 12:44:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 12:44:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:44:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:44:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-16 12:44:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-16 12:44:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-11-16 12:44:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-11-16 12:44:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-11-16 12:44:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-11-16 12:44:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-16 12:44:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-16 12:44:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:44:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-16 12:44:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-16 12:44:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:44:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-16 12:44:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-16 12:44:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 12:44:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 12:44:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 12:44:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 12:44:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 12:44:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 12:44:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-16 12:44:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-16 12:44:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:44:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:44:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 12:44:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 12:44:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-16 12:44:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-16 12:44:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-11-16 12:44:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-11-16 12:44:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-16 12:44:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-16 12:44:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:44:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-11-16 12:44:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-11-16 12:44:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-16 12:44:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-16 12:44:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-16 12:44:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-16 12:44:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:44:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:44:03,079 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:44:03,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:44:03,394 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:44:10,475 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:44:10,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:44:10,495 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:44:10,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:44:10 BoogieIcfgContainer [2022-11-16 12:44:10,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:44:10,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:44:10,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:44:10,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:44:10,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:57" (1/3) ... [2022-11-16 12:44:10,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc1b8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:44:10, skipping insertion in model container [2022-11-16 12:44:10,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:44:01" (2/3) ... [2022-11-16 12:44:10,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc1b8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:44:10, skipping insertion in model container [2022-11-16 12:44:10,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:44:10" (3/3) ... [2022-11-16 12:44:10,509 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-16 12:44:10,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:44:10,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:44:10,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:44:10,619 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;@4d3fe11a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:44:10,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:44:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 1571 states, 1085 states have (on average 1.3576036866359447) internal successors, (1473), 1129 states have internal predecessors, (1473), 396 states have call successors, (396), 89 states have call predecessors, (396), 88 states have return successors, (387), 368 states have call predecessors, (387), 387 states have call successors, (387) [2022-11-16 12:44:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-16 12:44:10,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:10,659 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-16 12:44:10,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:10,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:10,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2140607978, now seen corresponding path program 1 times [2022-11-16 12:44:10,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:10,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037993642] [2022-11-16 12:44:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:10,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:44:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:44:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:44:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:44:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:44:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-16 12:44:12,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:12,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037993642] [2022-11-16 12:44:12,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037993642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:12,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:12,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:44:12,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319614114] [2022-11-16 12:44:12,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:44:12,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:12,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:44:12,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:44:12,294 INFO L87 Difference]: Start difference. First operand has 1571 states, 1085 states have (on average 1.3576036866359447) internal successors, (1473), 1129 states have internal predecessors, (1473), 396 states have call successors, (396), 89 states have call predecessors, (396), 88 states have return successors, (387), 368 states have call predecessors, (387), 387 states have call successors, (387) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:44:20,597 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 [] [2022-11-16 12:44:22,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:23,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:24,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:24,622 INFO L93 Difference]: Finished difference Result 3286 states and 4855 transitions. [2022-11-16 12:44:24,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:44:24,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 163 [2022-11-16 12:44:24,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:24,655 INFO L225 Difference]: With dead ends: 3286 [2022-11-16 12:44:24,655 INFO L226 Difference]: Without dead ends: 1658 [2022-11-16 12:44:24,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:24,676 INFO L413 NwaCegarLoop]: 1734 mSDtfsCounter, 926 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 987 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 4607 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 987 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:24,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 4607 Invalid, 3067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [987 Valid, 2079 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-11-16 12:44:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2022-11-16 12:44:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1509. [2022-11-16 12:44:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1045 states have (on average 1.3511961722488037) internal successors, (1412), 1078 states have internal predecessors, (1412), 377 states have call successors, (377), 87 states have call predecessors, (377), 86 states have return successors, (376), 357 states have call predecessors, (376), 376 states have call successors, (376) [2022-11-16 12:44:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2165 transitions. [2022-11-16 12:44:24,866 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2165 transitions. Word has length 163 [2022-11-16 12:44:24,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:24,867 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 2165 transitions. [2022-11-16 12:44:24,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:44:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2165 transitions. [2022-11-16 12:44:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-16 12:44:24,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:24,879 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-16 12:44:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:44:24,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -526420276, now seen corresponding path program 1 times [2022-11-16 12:44:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:24,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883409311] [2022-11-16 12:44:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:44:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:44:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:44:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:44:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:44:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-16 12:44:25,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:25,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883409311] [2022-11-16 12:44:25,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883409311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:25,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:25,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25885068] [2022-11-16 12:44:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:25,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:25,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:25,830 INFO L87 Difference]: Start difference. First operand 1509 states and 2165 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-16 12:44:34,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:36,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:36,049 INFO L93 Difference]: Finished difference Result 4163 states and 6015 transitions. [2022-11-16 12:44:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:44:36,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 163 [2022-11-16 12:44:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:36,076 INFO L225 Difference]: With dead ends: 4163 [2022-11-16 12:44:36,076 INFO L226 Difference]: Without dead ends: 2687 [2022-11-16 12:44:36,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:44:36,085 INFO L413 NwaCegarLoop]: 1839 mSDtfsCounter, 2899 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 1661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 4476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1661 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:36,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 5062 Invalid, 4476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1661 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-11-16 12:44:36,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2022-11-16 12:44:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2446. [2022-11-16 12:44:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 1703 states have (on average 1.3552554315913095) internal successors, (2308), 1765 states have internal predecessors, (2308), 598 states have call successors, (598), 145 states have call predecessors, (598), 144 states have return successors, (597), 560 states have call predecessors, (597), 597 states have call successors, (597) [2022-11-16 12:44:36,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3503 transitions. [2022-11-16 12:44:36,252 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3503 transitions. Word has length 163 [2022-11-16 12:44:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:36,254 INFO L495 AbstractCegarLoop]: Abstraction has 2446 states and 3503 transitions. [2022-11-16 12:44:36,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-16 12:44:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3503 transitions. [2022-11-16 12:44:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-16 12:44:36,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:36,261 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1] [2022-11-16 12:44:36,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:44:36,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:36,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:36,263 INFO L85 PathProgramCache]: Analyzing trace with hash 878785786, now seen corresponding path program 1 times [2022-11-16 12:44:36,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:36,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928244763] [2022-11-16 12:44:36,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:36,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:44:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:44:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:44:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:44:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:44:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 12:44:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-16 12:44:37,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:37,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928244763] [2022-11-16 12:44:37,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928244763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:37,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:37,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:37,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754844465] [2022-11-16 12:44:37,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:37,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:37,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:37,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:37,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:37,157 INFO L87 Difference]: Start difference. First operand 2446 states and 3503 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 12:44:48,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:49,685 INFO L93 Difference]: Finished difference Result 6967 states and 10070 transitions. [2022-11-16 12:44:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:44:49,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 164 [2022-11-16 12:44:49,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:49,715 INFO L225 Difference]: With dead ends: 6967 [2022-11-16 12:44:49,716 INFO L226 Difference]: Without dead ends: 4558 [2022-11-16 12:44:49,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:44:49,728 INFO L413 NwaCegarLoop]: 1922 mSDtfsCounter, 3106 mSDsluCounter, 4366 mSDsCounter, 0 mSdLazyCounter, 3602 mSolverCounterSat, 1770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 6288 SdHoareTripleChecker+Invalid, 5372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1770 IncrementalHoareTripleChecker+Valid, 3602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:49,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 6288 Invalid, 5372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1770 Valid, 3602 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-11-16 12:44:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-11-16 12:44:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 4128. [2022-11-16 12:44:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 2887 states have (on average 1.370973328714929) internal successors, (3958), 3011 states have internal predecessors, (3958), 988 states have call successors, (988), 253 states have call predecessors, (988), 252 states have return successors, (987), 913 states have call predecessors, (987), 987 states have call successors, (987) [2022-11-16 12:44:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5933 transitions. [2022-11-16 12:44:49,947 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5933 transitions. Word has length 164 [2022-11-16 12:44:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:49,949 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 5933 transitions. [2022-11-16 12:44:49,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 12:44:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5933 transitions. [2022-11-16 12:44:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-16 12:44:49,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:49,953 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1] [2022-11-16 12:44:49,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:44:49,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:49,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:49,954 INFO L85 PathProgramCache]: Analyzing trace with hash -649472654, now seen corresponding path program 1 times [2022-11-16 12:44:49,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:49,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136343358] [2022-11-16 12:44:49,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:49,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:44:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:44:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:44:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:44:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:44:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 12:44:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-16 12:44:50,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:50,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136343358] [2022-11-16 12:44:50,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136343358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:50,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:50,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:44:50,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894352228] [2022-11-16 12:44:50,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:50,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:50,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:50,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:50,939 INFO L87 Difference]: Start difference. First operand 4128 states and 5933 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 12:44:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:56,341 INFO L93 Difference]: Finished difference Result 5060 states and 7284 transitions. [2022-11-16 12:44:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:44:56,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 167 [2022-11-16 12:44:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:56,373 INFO L225 Difference]: With dead ends: 5060 [2022-11-16 12:44:56,373 INFO L226 Difference]: Without dead ends: 5057 [2022-11-16 12:44:56,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:44:56,377 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 3242 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 1683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1683 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:56,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 2937 Invalid, 3141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1683 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-16 12:44:56,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5057 states. [2022-11-16 12:44:56,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5057 to 4584. [2022-11-16 12:44:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 3235 states have (on average 1.3792890262751158) internal successors, (4462), 3365 states have internal predecessors, (4462), 1038 states have call successors, (1038), 319 states have call predecessors, (1038), 310 states have return successors, (1039), 953 states have call predecessors, (1039), 1037 states have call successors, (1039) [2022-11-16 12:44:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6539 transitions. [2022-11-16 12:44:56,693 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6539 transitions. Word has length 167 [2022-11-16 12:44:56,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:56,695 INFO L495 AbstractCegarLoop]: Abstraction has 4584 states and 6539 transitions. [2022-11-16 12:44:56,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 12:44:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6539 transitions. [2022-11-16 12:44:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-16 12:44:56,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:56,702 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-16 12:44:56,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:44:56,702 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1797312717, now seen corresponding path program 1 times [2022-11-16 12:44:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:56,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069091357] [2022-11-16 12:44:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:44:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:44:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:44:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:44:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:44:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:44:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:44:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:44:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:44:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:44:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 12:44:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:44:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:44:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 12:44:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-16 12:44:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 12:44:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 12:44:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:44:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-16 12:44:57,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:57,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069091357] [2022-11-16 12:44:57,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069091357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:57,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:57,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:44:57,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808902427] [2022-11-16 12:44:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:57,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:44:57,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:57,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:44:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:44:57,947 INFO L87 Difference]: Start difference. First operand 4584 states and 6539 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:45:18,511 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 [] [2022-11-16 12:45:27,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:27,946 INFO L93 Difference]: Finished difference Result 24610 states and 36390 transitions. [2022-11-16 12:45:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:45:27,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 209 [2022-11-16 12:45:27,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:28,089 INFO L225 Difference]: With dead ends: 24610 [2022-11-16 12:45:28,090 INFO L226 Difference]: Without dead ends: 20073 [2022-11-16 12:45:28,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:45:28,119 INFO L413 NwaCegarLoop]: 2074 mSDtfsCounter, 9580 mSDsluCounter, 8183 mSDsCounter, 0 mSdLazyCounter, 14169 mSolverCounterSat, 4851 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10251 SdHoareTripleChecker+Valid, 10257 SdHoareTripleChecker+Invalid, 19021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4851 IncrementalHoareTripleChecker+Valid, 14169 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:45:28,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10251 Valid, 10257 Invalid, 19021 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4851 Valid, 14169 Invalid, 1 Unknown, 0 Unchecked, 28.2s Time] [2022-11-16 12:45:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20073 states. [2022-11-16 12:45:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20073 to 18172. [2022-11-16 12:45:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18172 states, 12821 states have (on average 1.3757117229545277) internal successors, (17638), 13355 states have internal predecessors, (17638), 4096 states have call successors, (4096), 1253 states have call predecessors, (4096), 1254 states have return successors, (4737), 3771 states have call predecessors, (4737), 4095 states have call successors, (4737) [2022-11-16 12:45:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18172 states to 18172 states and 26471 transitions. [2022-11-16 12:45:29,457 INFO L78 Accepts]: Start accepts. Automaton has 18172 states and 26471 transitions. Word has length 209 [2022-11-16 12:45:29,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:29,458 INFO L495 AbstractCegarLoop]: Abstraction has 18172 states and 26471 transitions. [2022-11-16 12:45:29,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:45:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 18172 states and 26471 transitions. [2022-11-16 12:45:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-16 12:45:29,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:29,465 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-16 12:45:29,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:45:29,466 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:45:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1989405368, now seen corresponding path program 1 times [2022-11-16 12:45:29,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:45:29,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275315104] [2022-11-16 12:45:29,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:29,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:45:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:45:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:45:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:45:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:45:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:45:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:45:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:45:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:45:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:45:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:45:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 12:45:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:45:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:45:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:45:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 12:45:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 12:45:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 12:45:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-16 12:45:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-16 12:45:30,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:45:30,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275315104] [2022-11-16 12:45:30,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275315104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:45:30,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:45:30,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:45:30,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344315820] [2022-11-16 12:45:30,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:45:30,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:45:30,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:45:30,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:45:30,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:45:30,906 INFO L87 Difference]: Start difference. First operand 18172 states and 26471 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:45:52,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:00,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:01,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:05,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:07,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:07,370 INFO L93 Difference]: Finished difference Result 97826 states and 147652 transitions. [2022-11-16 12:46:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:46:07,371 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 210 [2022-11-16 12:46:07,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:08,148 INFO L225 Difference]: With dead ends: 97826 [2022-11-16 12:46:08,149 INFO L226 Difference]: Without dead ends: 79701 [2022-11-16 12:46:08,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:46:08,274 INFO L413 NwaCegarLoop]: 2072 mSDtfsCounter, 9619 mSDsluCounter, 8075 mSDsCounter, 0 mSdLazyCounter, 14156 mSolverCounterSat, 4901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10287 SdHoareTripleChecker+Valid, 10147 SdHoareTripleChecker+Invalid, 19057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4901 IncrementalHoareTripleChecker+Valid, 14156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:08,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10287 Valid, 10147 Invalid, 19057 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4901 Valid, 14156 Invalid, 0 Unknown, 0 Unchecked, 32.4s Time] [2022-11-16 12:46:08,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79701 states. [2022-11-16 12:46:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79701 to 72656. [2022-11-16 12:46:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72656 states, 51265 states have (on average 1.372398322442212) internal successors, (70356), 53395 states have internal predecessors, (70356), 16336 states have call successors, (16336), 4997 states have call predecessors, (16336), 5054 states have return successors, (21657), 15075 states have call predecessors, (21657), 16335 states have call successors, (21657) [2022-11-16 12:46:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72656 states to 72656 states and 108349 transitions. [2022-11-16 12:46:13,761 INFO L78 Accepts]: Start accepts. Automaton has 72656 states and 108349 transitions. Word has length 210 [2022-11-16 12:46:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:13,775 INFO L495 AbstractCegarLoop]: Abstraction has 72656 states and 108349 transitions. [2022-11-16 12:46:13,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:46:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72656 states and 108349 transitions. [2022-11-16 12:46:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-16 12:46:13,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:13,781 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-16 12:46:13,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:46:13,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2065419675, now seen corresponding path program 1 times [2022-11-16 12:46:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:13,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956186130] [2022-11-16 12:46:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:46:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:46:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:46:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:46:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:46:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:46:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:46:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:46:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 12:46:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 12:46:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-16 12:46:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 12:46:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:46:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 12:46:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-16 12:46:15,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:15,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956186130] [2022-11-16 12:46:15,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956186130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:15,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:15,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:46:15,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119590362] [2022-11-16 12:46:15,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:15,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:46:15,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:15,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:46:15,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:15,087 INFO L87 Difference]: Start difference. First operand 72656 states and 108349 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:46:35,927 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 [] [2022-11-16 12:46:49,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:51,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:52,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:46:57,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:47:03,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:03,337 INFO L93 Difference]: Finished difference Result 390726 states and 604678 transitions. [2022-11-16 12:47:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:47:03,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 211 [2022-11-16 12:47:03,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:06,446 INFO L225 Difference]: With dead ends: 390726 [2022-11-16 12:47:06,446 INFO L226 Difference]: Without dead ends: 318117 [2022-11-16 12:47:07,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-11-16 12:47:07,253 INFO L413 NwaCegarLoop]: 2082 mSDtfsCounter, 9813 mSDsluCounter, 7051 mSDsCounter, 0 mSdLazyCounter, 12831 mSolverCounterSat, 5502 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10482 SdHoareTripleChecker+Valid, 9133 SdHoareTripleChecker+Invalid, 18335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5502 IncrementalHoareTripleChecker+Valid, 12831 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:07,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10482 Valid, 9133 Invalid, 18335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5502 Valid, 12831 Invalid, 2 Unknown, 0 Unchecked, 32.0s Time] [2022-11-16 12:47:07,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318117 states.