./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/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_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/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_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- 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 11:12:35,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:35,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:35,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:35,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:35,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:35,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:35,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:35,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:35,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:35,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:35,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:35,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:35,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:35,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:35,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:35,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:35,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:35,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:35,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:35,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:35,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:35,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:35,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:35,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:35,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:35,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:35,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:35,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:35,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:35,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:35,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:35,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:35,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:35,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:35,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:35,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:35,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:35,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:35,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:35,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:35,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:12:35,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:35,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:35,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:35,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:35,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:35,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:35,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:35,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:35,753 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:35,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:35,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:35,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:35,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:35,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:35,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:35,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:35,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:35,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:35,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:35,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:35,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:35,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:35,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:35,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:35,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:35,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:35,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:12:35,760 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:35,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:35,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:35,761 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_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2022-11-16 11:12:36,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:36,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:36,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:36,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:36,137 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:36,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-16 11:12:36,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/data/2ee116625/41952158b2ed4965acaecd6a266c5cd0/FLAGfe4bd031b [2022-11-16 11:12:37,333 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:37,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-16 11:12:37,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/data/2ee116625/41952158b2ed4965acaecd6a266c5cd0/FLAGfe4bd031b [2022-11-16 11:12:37,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/data/2ee116625/41952158b2ed4965acaecd6a266c5cd0 [2022-11-16 11:12:37,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:37,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:37,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:37,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:37,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:37,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b22f6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37, skipping insertion in model container [2022-11-16 11:12:37,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:37" (1/1) ... [2022-11-16 11:12:37,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:37,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:41,056 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_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-11-16 11:12:41,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:41,208 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:41,715 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_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-11-16 11:12:41,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:41,890 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:41,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41 WrapperNode [2022-11-16 11:12:41,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:41,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:41,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:41,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:41,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,371 INFO L138 Inliner]: procedures = 333, calls = 3698, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 7052 [2022-11-16 11:12:42,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:42,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:42,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:42,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:42,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:42,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:42,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:42,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:42,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (1/1) ... [2022-11-16 11:12:42,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:42,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:43,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:43,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f42f0e-6e4c-4902-937b-5e9f6a900d5b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-16 11:12:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-16 11:12:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:12:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:12:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-16 11:12:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-16 11:12:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:12:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:12:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:12:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:12:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2022-11-16 11:12:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2022-11-16 11:12:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:12:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:12:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-16 11:12:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-16 11:12:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-16 11:12:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-16 11:12:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 11:12:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 11:12:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-16 11:12:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-16 11:12:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 11:12:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 11:12:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-16 11:12:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-16 11:12:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:12:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:12:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-16 11:12:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-16 11:12:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-16 11:12:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-16 11:12:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-16 11:12:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-16 11:12:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-16 11:12:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-16 11:12:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-16 11:12:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-16 11:12:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:12:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:12:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-16 11:12:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-16 11:12:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-16 11:12:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-16 11:12:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-16 11:12:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-16 11:12:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 11:12:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 11:12:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-16 11:12:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-16 11:12:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-16 11:12:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-16 11:12:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-16 11:12:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-16 11:12:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:12:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:12:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-16 11:12:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-16 11:12:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-16 11:12:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-16 11:12:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:12:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:12:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 11:12:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 11:12:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-16 11:12:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-16 11:12:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 11:12:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 11:12:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:12:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:12:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-16 11:12:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-16 11:12:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-16 11:12:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-16 11:12:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-16 11:12:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-16 11:12:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-16 11:12:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-16 11:12:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-16 11:12:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-16 11:12:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-16 11:12:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-16 11:12:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-16 11:12:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-16 11:12:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-16 11:12:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-16 11:12:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:12:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-16 11:12:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-16 11:12:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-16 11:12:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-16 11:12:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-16 11:12:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-16 11:12:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-16 11:12:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-16 11:12:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-16 11:12:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-16 11:12:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-16 11:12:43,088 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-16 11:12:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:12:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-16 11:12:43,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-16 11:12:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-16 11:12:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-16 11:12:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 11:12:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 11:12:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 11:12:43,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 11:12:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:12:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:12:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-16 11:12:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-16 11:12:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-16 11:12:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-16 11:12:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-16 11:12:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-16 11:12:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-16 11:12:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-16 11:12:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-16 11:12:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:12:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-16 11:12:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-16 11:12:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-16 11:12:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-16 11:12:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-16 11:12:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-16 11:12:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-16 11:12:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-16 11:12:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-16 11:12:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-16 11:12:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-16 11:12:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-16 11:12:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-16 11:12:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-16 11:12:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 11:12:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 11:12:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 11:12:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 11:12:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-16 11:12:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-16 11:12:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-16 11:12:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-16 11:12:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 11:12:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 11:12:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:12:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:12:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-16 11:12:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-16 11:12:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-16 11:12:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-16 11:12:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:12:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-16 11:12:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-16 11:12:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-16 11:12:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-16 11:12:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-16 11:12:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-16 11:12:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 11:12:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 11:12:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:12:43,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:12:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-16 11:12:43,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-16 11:12:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-16 11:12:43,111 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-16 11:12:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:12:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-16 11:12:43,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-16 11:12:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 11:12:43,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 11:12:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:12:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 11:12:43,112 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 11:12:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 11:12:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 11:12:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-16 11:12:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-16 11:12:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:12:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:12:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-16 11:12:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-16 11:12:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-16 11:12:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-16 11:12:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:12:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:12:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-16 11:12:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-16 11:12:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-16 11:12:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-16 11:12:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:12:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-16 11:12:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-16 11:12:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 11:12:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 11:12:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 11:12:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 11:12:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:12:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:12:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-16 11:12:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-16 11:12:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 11:12:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 11:12:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-16 11:12:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-16 11:12:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-16 11:12:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-16 11:12:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-16 11:12:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-16 11:12:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:12:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 11:12:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 11:12:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-16 11:12:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-16 11:12:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 11:12:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 11:12:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-16 11:12:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-16 11:12:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 11:12:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 11:12:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:12:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-16 11:12:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-16 11:12:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-16 11:12:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-16 11:12:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:12:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:12:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:12:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-16 11:12:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-16 11:12:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-16 11:12:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-16 11:12:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-16 11:12:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-16 11:12:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-16 11:12:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-16 11:12:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:12:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:12:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-16 11:12:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-16 11:12:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-16 11:12:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-16 11:12:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-16 11:12:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-16 11:12:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-16 11:12:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-16 11:12:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-16 11:12:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-16 11:12:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-16 11:12:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-16 11:12:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-16 11:12:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-16 11:12:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-16 11:12:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-16 11:12:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-16 11:12:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-16 11:12:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-16 11:12:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-16 11:12:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-16 11:12:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-16 11:12:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-16 11:12:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-16 11:12:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-16 11:12:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-16 11:12:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-16 11:12:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-16 11:12:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-16 11:12:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-16 11:12:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-16 11:12:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-16 11:12:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-16 11:12:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-16 11:12:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-16 11:12:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-16 11:12:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-16 11:12:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-16 11:12:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-16 11:12:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-16 11:12:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-16 11:12:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-16 11:12:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:12:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-16 11:12:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-16 11:12:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-16 11:12:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-16 11:12:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 11:12:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-16 11:12:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-16 11:12:44,616 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:44,626 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:45,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:13:05,347 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:13:05,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:13:05,371 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-16 11:13:05,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:05 BoogieIcfgContainer [2022-11-16 11:13:05,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:13:05,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:13:05,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:13:05,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:13:05,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:37" (1/3) ... [2022-11-16 11:13:05,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc1a056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:05, skipping insertion in model container [2022-11-16 11:13:05,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:41" (2/3) ... [2022-11-16 11:13:05,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc1a056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:05, skipping insertion in model container [2022-11-16 11:13:05,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:05" (3/3) ... [2022-11-16 11:13:05,387 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-16 11:13:05,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:13:05,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:13:05,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:13:05,572 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;@6277c947, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:13:05,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:13:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 3627 states, 2652 states have (on average 1.420814479638009) internal successors, (3768), 2714 states have internal predecessors, (3768), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2022-11-16 11:13:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 11:13:05,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:05,627 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:05,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:05,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:05,635 INFO L85 PathProgramCache]: Analyzing trace with hash 745199335, now seen corresponding path program 1 times [2022-11-16 11:13:05,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:05,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513070521] [2022-11-16 11:13:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:13:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:13:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:13:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:13:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:13:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 11:13:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:13:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-16 11:13:06,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:06,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513070521] [2022-11-16 11:13:06,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513070521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:06,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:06,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:13:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846908278] [2022-11-16 11:13:06,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:06,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:13:06,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:06,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:13:06,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:13:06,757 INFO L87 Difference]: Start difference. First operand has 3627 states, 2652 states have (on average 1.420814479638009) internal successors, (3768), 2714 states have internal predecessors, (3768), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:13:08,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:22,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:22,064 INFO L93 Difference]: Finished difference Result 7782 states and 12004 transitions. [2022-11-16 11:13:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:13:22,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-11-16 11:13:22,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:22,152 INFO L225 Difference]: With dead ends: 7782 [2022-11-16 11:13:22,153 INFO L226 Difference]: Without dead ends: 4139 [2022-11-16 11:13:22,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:13:22,201 INFO L413 NwaCegarLoop]: 3268 mSDtfsCounter, 6029 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 4162 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 4910 SdHoareTripleChecker+Invalid, 7711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4162 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:22,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 4910 Invalid, 7711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4162 Valid, 3548 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-11-16 11:13:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2022-11-16 11:13:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3558. [2022-11-16 11:13:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3558 states, 2593 states have (on average 1.4130350944851524) internal successors, (3664), 2632 states have internal predecessors, (3664), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2022-11-16 11:13:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 5323 transitions. [2022-11-16 11:13:22,555 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 5323 transitions. Word has length 126 [2022-11-16 11:13:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:22,556 INFO L495 AbstractCegarLoop]: Abstraction has 3558 states and 5323 transitions. [2022-11-16 11:13:22,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:13:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 5323 transitions. [2022-11-16 11:13:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 11:13:22,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:22,567 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:22,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:13:22,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:22,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:22,568 INFO L85 PathProgramCache]: Analyzing trace with hash -481092369, now seen corresponding path program 1 times [2022-11-16 11:13:22,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:22,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430728892] [2022-11-16 11:13:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:13:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:13:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:13:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:13:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:13:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 11:13:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:13:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-16 11:13:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:23,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430728892] [2022-11-16 11:13:23,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430728892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:23,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:23,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:13:23,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971584975] [2022-11-16 11:13:23,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:23,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:13:23,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:23,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:13:23,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:13:23,596 INFO L87 Difference]: Start difference. First operand 3558 states and 5323 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:13:25,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:50,434 INFO L93 Difference]: Finished difference Result 11521 states and 17411 transitions. [2022-11-16 11:13:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:13:50,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-11-16 11:13:50,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:50,522 INFO L225 Difference]: With dead ends: 11521 [2022-11-16 11:13:50,522 INFO L226 Difference]: Without dead ends: 7983 [2022-11-16 11:13:50,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 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 11:13:50,557 INFO L413 NwaCegarLoop]: 3857 mSDtfsCounter, 15529 mSDsluCounter, 4694 mSDsCounter, 0 mSdLazyCounter, 7539 mSolverCounterSat, 8573 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15864 SdHoareTripleChecker+Valid, 8551 SdHoareTripleChecker+Invalid, 16113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8573 IncrementalHoareTripleChecker+Valid, 7539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:50,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15864 Valid, 8551 Invalid, 16113 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8573 Valid, 7539 Invalid, 1 Unknown, 0 Unchecked, 25.7s Time] [2022-11-16 11:13:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7983 states. [2022-11-16 11:13:51,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7983 to 6822. [2022-11-16 11:13:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6822 states, 4984 states have (on average 1.4149277688603532) internal successors, (7052), 5061 states have internal predecessors, (7052), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2022-11-16 11:13:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6822 states to 6822 states and 10207 transitions. [2022-11-16 11:13:51,186 INFO L78 Accepts]: Start accepts. Automaton has 6822 states and 10207 transitions. Word has length 126 [2022-11-16 11:13:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:51,189 INFO L495 AbstractCegarLoop]: Abstraction has 6822 states and 10207 transitions. [2022-11-16 11:13:51,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 11:13:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 6822 states and 10207 transitions. [2022-11-16 11:13:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-16 11:13:51,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:51,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:51,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:13:51,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:51,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:51,204 INFO L85 PathProgramCache]: Analyzing trace with hash 131852473, now seen corresponding path program 1 times [2022-11-16 11:13:51,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:51,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281169485] [2022-11-16 11:13:51,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:51,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:13:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:13:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:13:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:13:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:13:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:13:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:13:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-16 11:13:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:13:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 11:13:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 11:13:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-16 11:13:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:13:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:13:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:13:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:52,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281169485] [2022-11-16 11:13:52,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281169485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:52,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:52,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:13:52,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573250181] [2022-11-16 11:13:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:52,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:13:52,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:52,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:13:52,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:13:52,226 INFO L87 Difference]: Start difference. First operand 6822 states and 10207 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:13:54,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:56,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:58,180 WARN L539 Checker$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 11:14:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:41,993 INFO L93 Difference]: Finished difference Result 23729 states and 35902 transitions. [2022-11-16 11:14:41,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:14:41,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 176 [2022-11-16 11:14:41,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:42,163 INFO L225 Difference]: With dead ends: 23729 [2022-11-16 11:14:42,163 INFO L226 Difference]: Without dead ends: 16927 [2022-11-16 11:14:42,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:14:42,226 INFO L413 NwaCegarLoop]: 3054 mSDtfsCounter, 18008 mSDsluCounter, 12689 mSDsCounter, 0 mSdLazyCounter, 23621 mSolverCounterSat, 10080 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18443 SdHoareTripleChecker+Valid, 15743 SdHoareTripleChecker+Invalid, 33703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10080 IncrementalHoareTripleChecker+Valid, 23621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:42,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18443 Valid, 15743 Invalid, 33703 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10080 Valid, 23621 Invalid, 2 Unknown, 0 Unchecked, 47.9s Time] [2022-11-16 11:14:42,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16927 states. [2022-11-16 11:14:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16927 to 13623. [2022-11-16 11:14:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13623 states, 9955 states have (on average 1.4154696132596685) internal successors, (14091), 10117 states have internal predecessors, (14091), 3148 states have call successors, (3148), 520 states have call predecessors, (3148), 519 states have return successors, (3147), 3095 states have call predecessors, (3147), 3147 states have call successors, (3147) [2022-11-16 11:14:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13623 states to 13623 states and 20386 transitions. [2022-11-16 11:14:43,306 INFO L78 Accepts]: Start accepts. Automaton has 13623 states and 20386 transitions. Word has length 176 [2022-11-16 11:14:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:43,309 INFO L495 AbstractCegarLoop]: Abstraction has 13623 states and 20386 transitions. [2022-11-16 11:14:43,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:14:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13623 states and 20386 transitions. [2022-11-16 11:14:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 11:14:43,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:14:43,315 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:43,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:14:43,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:14:43,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:43,316 INFO L85 PathProgramCache]: Analyzing trace with hash 214343712, now seen corresponding path program 1 times [2022-11-16 11:14:43,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:43,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855690245] [2022-11-16 11:14:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:43,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:14:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:14:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:14:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:14:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:14:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:14:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:14:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:14:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:14:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:14:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:14:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:14:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 11:14:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:14:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 11:14:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:14:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 11:14:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:14:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:14:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:14:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:14:44,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855690245] [2022-11-16 11:14:44,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855690245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:44,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:44,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:14:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709703347] [2022-11-16 11:14:44,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:44,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:14:44,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:44,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:14:44,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:14:44,220 INFO L87 Difference]: Start difference. First operand 13623 states and 20386 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:14:46,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:48,277 WARN L539 Checker$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 11:14:50,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:52,286 WARN L539 Checker$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 11:15:40,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:40,957 INFO L93 Difference]: Finished difference Result 47412 states and 73289 transitions. [2022-11-16 11:15:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:15:40,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 173 [2022-11-16 11:15:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:41,231 INFO L225 Difference]: With dead ends: 47412 [2022-11-16 11:15:41,231 INFO L226 Difference]: Without dead ends: 33809 [2022-11-16 11:15:41,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:15:41,329 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 18058 mSDsluCounter, 12707 mSDsCounter, 0 mSdLazyCounter, 23983 mSolverCounterSat, 10263 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18480 SdHoareTripleChecker+Valid, 15764 SdHoareTripleChecker+Invalid, 34250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10263 IncrementalHoareTripleChecker+Valid, 23983 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:41,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18480 Valid, 15764 Invalid, 34250 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10263 Valid, 23983 Invalid, 4 Unknown, 0 Unchecked, 53.8s Time] [2022-11-16 11:15:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33809 states. [2022-11-16 11:15:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33809 to 29387. [2022-11-16 11:15:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29387 states, 21585 states have (on average 1.3941626129256428) internal successors, (30093), 21505 states have internal predecessors, (30093), 6480 states have call successors, (6480), 1042 states have call predecessors, (6480), 1321 states have return successors, (8271), 7039 states have call predecessors, (8271), 6479 states have call successors, (8271) [2022-11-16 11:15:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29387 states to 29387 states and 44844 transitions. [2022-11-16 11:15:44,301 INFO L78 Accepts]: Start accepts. Automaton has 29387 states and 44844 transitions. Word has length 173 [2022-11-16 11:15:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:44,302 INFO L495 AbstractCegarLoop]: Abstraction has 29387 states and 44844 transitions. [2022-11-16 11:15:44,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:15:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29387 states and 44844 transitions. [2022-11-16 11:15:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-16 11:15:44,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:44,309 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:44,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:15:44,310 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:44,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:44,313 INFO L85 PathProgramCache]: Analyzing trace with hash 329398497, now seen corresponding path program 1 times [2022-11-16 11:15:44,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:44,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202320459] [2022-11-16 11:15:44,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:44,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:15:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:15:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:15:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:15:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:15:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:15:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:15:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:15:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:15:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:15:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:15:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 11:15:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:15:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:15:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:15:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:15:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-16 11:15:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 11:15:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:15:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:15:45,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:45,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202320459] [2022-11-16 11:15:45,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202320459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:45,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:45,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:15:45,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928363199] [2022-11-16 11:15:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:45,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:15:45,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:45,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:15:45,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:15:45,192 INFO L87 Difference]: Start difference. First operand 29387 states and 44844 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:15:47,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:49,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:26,044 INFO L93 Difference]: Finished difference Result 96956 states and 153045 transitions. [2022-11-16 11:16:26,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:16:26,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2022-11-16 11:16:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:26,668 INFO L225 Difference]: With dead ends: 96956 [2022-11-16 11:16:26,669 INFO L226 Difference]: Without dead ends: 67589 [2022-11-16 11:16:27,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:16:27,061 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 22671 mSDsluCounter, 10156 mSDsCounter, 0 mSdLazyCounter, 18261 mSolverCounterSat, 13242 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23097 SdHoareTripleChecker+Valid, 13127 SdHoareTripleChecker+Invalid, 31504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13242 IncrementalHoareTripleChecker+Valid, 18261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:27,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23097 Valid, 13127 Invalid, 31504 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13242 Valid, 18261 Invalid, 1 Unknown, 0 Unchecked, 36.4s Time] [2022-11-16 11:16:27,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67589 states. [2022-11-16 11:16:30,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67589 to 59723. [2022-11-16 11:16:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59723 states, 43917 states have (on average 1.3891886968599858) internal successors, (61009), 43537 states have internal predecessors, (61009), 13068 states have call successors, (13068), 2086 states have call predecessors, (13068), 2737 states have return successors, (18853), 14503 states have call predecessors, (18853), 13067 states have call successors, (18853) [2022-11-16 11:16:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59723 states to 59723 states and 92930 transitions. [2022-11-16 11:16:31,168 INFO L78 Accepts]: Start accepts. Automaton has 59723 states and 92930 transitions. Word has length 174 [2022-11-16 11:16:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:31,170 INFO L495 AbstractCegarLoop]: Abstraction has 59723 states and 92930 transitions. [2022-11-16 11:16:31,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 59723 states and 92930 transitions. [2022-11-16 11:16:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-16 11:16:31,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:31,179 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:16:31,180 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:31,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:31,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1280080413, now seen corresponding path program 1 times [2022-11-16 11:16:31,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:31,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126253705] [2022-11-16 11:16:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:31,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:16:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:16:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:16:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:16:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:16:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:16:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:16:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:16:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:16:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 11:16:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:16:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:16:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-16 11:16:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 11:16:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:16:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:16:32,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:32,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126253705] [2022-11-16 11:16:32,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126253705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:32,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:32,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:16:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109901006] [2022-11-16 11:16:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:32,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:16:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:16:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:16:32,198 INFO L87 Difference]: Start difference. First operand 59723 states and 92930 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:34,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:36,253 WARN L539 Checker$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 11:16:38,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:40,269 WARN L539 Checker$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 11:17:26,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:26,151 INFO L93 Difference]: Finished difference Result 194880 states and 314791 transitions. [2022-11-16 11:17:26,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:17:26,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 175 [2022-11-16 11:17:26,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:27,657 INFO L225 Difference]: With dead ends: 194880 [2022-11-16 11:17:27,658 INFO L226 Difference]: Without dead ends: 135177 [2022-11-16 11:17:28,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-16 11:17:28,260 INFO L413 NwaCegarLoop]: 2921 mSDtfsCounter, 18637 mSDsluCounter, 12262 mSDsCounter, 0 mSdLazyCounter, 22774 mSolverCounterSat, 10476 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19064 SdHoareTripleChecker+Valid, 15183 SdHoareTripleChecker+Invalid, 33254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10476 IncrementalHoareTripleChecker+Valid, 22774 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:28,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19064 Valid, 15183 Invalid, 33254 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10476 Valid, 22774 Invalid, 4 Unknown, 0 Unchecked, 45.8s Time] [2022-11-16 11:17:28,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135177 states. [2022-11-16 11:17:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135177 to 120415. [2022-11-16 11:17:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120415 states, 88601 states have (on average 1.386632205054119) internal successors, (122857), 87617 states have internal predecessors, (122857), 26240 states have call successors, (26240), 4178 states have call predecessors, (26240), 5573 states have return successors, (42743), 29431 states have call predecessors, (42743), 26239 states have call successors, (42743) [2022-11-16 11:17:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120415 states to 120415 states and 191840 transitions. [2022-11-16 11:17:37,677 INFO L78 Accepts]: Start accepts. Automaton has 120415 states and 191840 transitions. Word has length 175 [2022-11-16 11:17:37,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:37,677 INFO L495 AbstractCegarLoop]: Abstraction has 120415 states and 191840 transitions. [2022-11-16 11:17:37,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:17:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 120415 states and 191840 transitions. [2022-11-16 11:17:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-16 11:17:37,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:37,687 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:37,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:17:37,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:37,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1539575041, now seen corresponding path program 1 times [2022-11-16 11:17:37,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:37,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985288301] [2022-11-16 11:17:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:17:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:17:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:17:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:17:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:17:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:17:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:17:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:17:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:17:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:17:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:17:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:17:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:17:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 11:17:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:17:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:17:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:17:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:17:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:17:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:17:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:17:38,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:38,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985288301] [2022-11-16 11:17:38,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985288301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:38,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:38,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:17:38,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530503450] [2022-11-16 11:17:38,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:38,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:17:38,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:38,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:17:38,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:17:38,829 INFO L87 Difference]: Start difference. First operand 120415 states and 191840 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:17:40,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:42,882 WARN L539 Checker$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 11:18:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:18:08,173 INFO L93 Difference]: Finished difference Result 202997 states and 324221 transitions. [2022-11-16 11:18:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:18:08,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 177 [2022-11-16 11:18:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:18:09,344 INFO L225 Difference]: With dead ends: 202997 [2022-11-16 11:18:09,344 INFO L226 Difference]: Without dead ends: 135286 [2022-11-16 11:18:09,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:18:09,835 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 13706 mSDsluCounter, 7356 mSDsCounter, 0 mSdLazyCounter, 11252 mSolverCounterSat, 7491 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13939 SdHoareTripleChecker+Valid, 10037 SdHoareTripleChecker+Invalid, 18745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7491 IncrementalHoareTripleChecker+Valid, 11252 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:18:09,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13939 Valid, 10037 Invalid, 18745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7491 Valid, 11252 Invalid, 2 Unknown, 0 Unchecked, 21.4s Time] [2022-11-16 11:18:09,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135286 states.