./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/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_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:51:49,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:51:49,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:51:49,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:51:49,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:51:49,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:51:49,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:51:49,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:51:49,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:51:49,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:51:49,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:51:49,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:51:49,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:51:49,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:51:49,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:51:49,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:51:49,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:51:49,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:51:49,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:51:49,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:51:49,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:51:49,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:51:49,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:51:49,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:51:49,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:51:49,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:51:49,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:51:49,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:51:49,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:51:49,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:51:49,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:51:49,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:51:49,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:51:49,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:51:49,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:51:49,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:51:49,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:51:49,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:51:49,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:51:49,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:51:49,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:51:49,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:51:49,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:51:49,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:51:49,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:51:49,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:51:49,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:51:49,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:51:49,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:51:49,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:51:49,221 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:51:49,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:51:49,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:51:49,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:51:49,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:51:49,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:51:49,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:51:49,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:51:49,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:51:49,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:51:49,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:51:49,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:51:49,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:51:49,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:51:49,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:51:49,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:51:49,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:51:49,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:51:49,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:51:49,229 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:51:49,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:51:49,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:51:49,229 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_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2022-11-18 19:51:49,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:51:49,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:51:49,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:51:49,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:51:49,679 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:51:49,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 19:51:49,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/data/78fdb2183/e4f5b5eb44bf4228881deb12891aa3e5/FLAG742fe85bd [2022-11-18 19:51:50,974 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:51:50,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/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 [2022-11-18 19:51:51,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/data/78fdb2183/e4f5b5eb44bf4228881deb12891aa3e5/FLAG742fe85bd [2022-11-18 19:51:51,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/data/78fdb2183/e4f5b5eb44bf4228881deb12891aa3e5 [2022-11-18 19:51:51,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:51:51,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:51:51,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:51,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:51:51,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:51:51,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:51" (1/1) ... [2022-11-18 19:51:51,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7809614d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:51, skipping insertion in model container [2022-11-18 19:51:51,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:51" (1/1) ... [2022-11-18 19:51:51,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:51:51,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:51:55,077 WARN L234 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_677c9d93-8f7c-4e43-a600-a4f9829ed992/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] [2022-11-18 19:51:55,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:55,255 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:51:56,025 WARN L234 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_677c9d93-8f7c-4e43-a600-a4f9829ed992/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] [2022-11-18 19:51:56,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:56,237 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:51:56,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56 WrapperNode [2022-11-18 19:51:56,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:56,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:56,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:51:56,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:51:56,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:56,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:56,702 INFO L138 Inliner]: procedures = 333, calls = 3698, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 7052 [2022-11-18 19:51:56,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:56,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:51:56,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:51:56,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:51:56,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:56,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:56,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:56,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:51:57,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:51:57,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:51:57,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:51:57,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (1/1) ... [2022-11-18 19:51:57,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:51:57,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:57,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:57,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677c9d93-8f7c-4e43-a600-a4f9829ed992/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:51:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-18 19:51:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-18 19:51:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 19:51:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 19:51:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-18 19:51:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-18 19:51:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:51:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:51:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:51:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:51:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2022-11-18 19:51:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2022-11-18 19:51:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:51:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:51:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-18 19:51:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-18 19:51:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 19:51:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 19:51:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 19:51:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 19:51:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-18 19:51:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-18 19:51:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 19:51:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 19:51:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-18 19:51:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-18 19:51:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:51:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:51:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-18 19:51:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-18 19:51:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-18 19:51:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-18 19:51:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 19:51:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 19:51:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-18 19:51:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-18 19:51:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-18 19:51:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-18 19:51:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:51:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:51:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-18 19:51:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-18 19:51:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-18 19:51:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-18 19:51:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-18 19:51:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-18 19:51:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:51:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:51:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-18 19:51:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-18 19:51:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-18 19:51:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-18 19:51:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-18 19:51:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-18 19:51:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:51:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:51:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-18 19:51:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-18 19:51:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 19:51:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 19:51:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:51:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:51:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 19:51:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 19:51:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-18 19:51:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-18 19:51:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 19:51:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 19:51:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:51:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:51:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-18 19:51:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-18 19:51:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-18 19:51:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-18 19:51:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-18 19:51:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-18 19:51:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-18 19:51:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-18 19:51:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-18 19:51:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-18 19:51:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-18 19:51:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-18 19:51:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:51:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-18 19:51:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-18 19:51:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-18 19:51:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-18 19:51:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 19:51:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-18 19:51:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-18 19:51:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-18 19:51:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-18 19:51:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-18 19:51:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-18 19:51:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-18 19:51:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-18 19:51:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-18 19:51:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-18 19:51:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-18 19:51:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-18 19:51:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:51:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-18 19:51:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-18 19:51:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-18 19:51:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-18 19:51:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 19:51:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 19:51:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 19:51:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 19:51:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:51:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:51:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-18 19:51:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-18 19:51:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-18 19:51:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-18 19:51:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-18 19:51:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:51:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-18 19:51:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-18 19:51:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-18 19:51:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-18 19:51:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:51:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-18 19:51:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-18 19:51:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-18 19:51:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-18 19:51:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-18 19:51:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-18 19:51:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-18 19:51:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-18 19:51:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 19:51:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 19:51:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-18 19:51:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-18 19:51:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-18 19:51:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-18 19:51:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 19:51:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 19:51:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 19:51:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 19:51:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-18 19:51:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-18 19:51:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-18 19:51:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-18 19:51:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 19:51:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 19:51:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:51:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:51:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 19:51:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 19:51:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-18 19:51:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-18 19:51:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:51:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-18 19:51:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-18 19:51:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-18 19:51:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-18 19:51:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-18 19:51:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-18 19:51:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:51:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:51:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:51:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:51:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:51:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:51:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-18 19:51:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-18 19:51:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:51:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-18 19:51:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-18 19:51:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 19:51:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 19:51:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:51:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 19:51:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 19:51:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:51:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:51:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 19:51:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 19:51:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:51:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:51:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-18 19:51:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-18 19:51:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-18 19:51:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-18 19:51:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 19:51:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 19:51:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 19:51:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 19:51:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-18 19:51:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-18 19:51:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:51:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-18 19:51:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-18 19:51:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 19:51:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 19:51:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 19:51:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 19:51:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:51:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:51:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-18 19:51:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-18 19:51:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 19:51:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 19:51:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-18 19:51:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-18 19:51:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-18 19:51:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-18 19:51:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-18 19:51:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-18 19:51:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:51:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 19:51:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 19:51:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-18 19:51:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-18 19:51:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 19:51:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 19:51:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-18 19:51:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-18 19:51:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 19:51:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 19:51:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:51:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-18 19:51:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-18 19:51:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-18 19:51:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-18 19:51:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 19:51:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 19:51:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 19:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 19:51:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-18 19:51:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-18 19:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-18 19:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-18 19:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 19:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 19:51:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:51:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-18 19:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-18 19:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-18 19:51:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-18 19:51:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-18 19:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-18 19:51:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-18 19:51:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-18 19:51:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-18 19:51:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-18 19:51:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-18 19:51:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-18 19:51:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-18 19:51:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-18 19:51:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-18 19:51:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-18 19:51:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-18 19:51:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-18 19:51:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-18 19:51:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-18 19:51:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-18 19:51:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-18 19:51:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-18 19:51:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-18 19:51:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-18 19:51:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-18 19:51:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-18 19:51:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-18 19:51:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-18 19:51:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-18 19:51:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 19:51:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 19:51:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-18 19:51:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-18 19:51:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-18 19:51:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-18 19:51:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-18 19:51:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-18 19:51:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-18 19:51:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-18 19:51:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-18 19:51:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-18 19:51:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:51:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-18 19:51:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-18 19:51:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-18 19:51:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-18 19:51:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 19:51:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:51:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:51:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-18 19:51:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-18 19:51:59,247 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:51:59,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:51:59,990 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:52:24,772 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:24,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:24,799 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-18 19:52:24,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:24 BoogieIcfgContainer [2022-11-18 19:52:24,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:24,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:24,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:24,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:24,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:51:51" (1/3) ... [2022-11-18 19:52:24,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2205bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:24, skipping insertion in model container [2022-11-18 19:52:24,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:56" (2/3) ... [2022-11-18 19:52:24,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2205bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:24, skipping insertion in model container [2022-11-18 19:52:24,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:24" (3/3) ... [2022-11-18 19:52:24,817 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 [2022-11-18 19:52:24,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:24,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:52:24,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:25,001 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;@1514879b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:25,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:52:25,020 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) [2022-11-18 19:52:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-18 19:52:25,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:25,049 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] [2022-11-18 19:52:25,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:25,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:25,057 INFO L85 PathProgramCache]: Analyzing trace with hash 745199335, now seen corresponding path program 1 times [2022-11-18 19:52:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:25,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625497685] [2022-11-18 19:52:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:25,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:52:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:52:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:52:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:52:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:52:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 19:52:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-18 19:52:26,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:26,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625497685] [2022-11-18 19:52:26,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625497685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:26,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:26,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:52:26,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387138044] [2022-11-18 19:52:26,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:26,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:52:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:52:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:52:26,568 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) [2022-11-18 19:52:28,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:52:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:44,717 INFO L93 Difference]: Finished difference Result 7782 states and 12004 transitions. [2022-11-18 19:52:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:52:44,721 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 [2022-11-18 19:52:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:44,820 INFO L225 Difference]: With dead ends: 7782 [2022-11-18 19:52:44,820 INFO L226 Difference]: Without dead ends: 4139 [2022-11-18 19:52:44,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:44,886 INFO L413 NwaCegarLoop]: 3282 mSDtfsCounter, 6007 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 4154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6028 SdHoareTripleChecker+Valid, 4921 SdHoareTripleChecker+Invalid, 7709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4154 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:44,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6028 Valid, 4921 Invalid, 7709 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4154 Valid, 3554 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2022-11-18 19:52:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2022-11-18 19:52:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3558. [2022-11-18 19:52:45,320 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) [2022-11-18 19:52:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 5323 transitions. [2022-11-18 19:52:45,383 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 5323 transitions. Word has length 126 [2022-11-18 19:52:45,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:45,383 INFO L495 AbstractCegarLoop]: Abstraction has 3558 states and 5323 transitions. [2022-11-18 19:52:45,384 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) [2022-11-18 19:52:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 5323 transitions. [2022-11-18 19:52:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-18 19:52:45,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:45,400 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] [2022-11-18 19:52:45,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:52:45,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash -481092369, now seen corresponding path program 1 times [2022-11-18 19:52:45,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:45,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569168404] [2022-11-18 19:52:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:45,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:52:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:52:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:52:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:52:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:52:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 19:52:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:52:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-18 19:52:46,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:46,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569168404] [2022-11-18 19:52:46,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569168404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:46,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:46,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:52:46,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004168336] [2022-11-18 19:52:46,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:46,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:46,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:46,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:46,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:46,287 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) [2022-11-18 19:52:48,341 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 [] [2022-11-18 19:53:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:17,486 INFO L93 Difference]: Finished difference Result 11521 states and 17411 transitions. [2022-11-18 19:53:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:53:17,488 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 [2022-11-18 19:53:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:17,577 INFO L225 Difference]: With dead ends: 11521 [2022-11-18 19:53:17,578 INFO L226 Difference]: Without dead ends: 7983 [2022-11-18 19:53:17,612 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 [2022-11-18 19:53:17,614 INFO L413 NwaCegarLoop]: 3876 mSDtfsCounter, 15495 mSDsluCounter, 4717 mSDsCounter, 0 mSdLazyCounter, 7548 mSolverCounterSat, 8568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15830 SdHoareTripleChecker+Valid, 8593 SdHoareTripleChecker+Invalid, 16117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8568 IncrementalHoareTripleChecker+Valid, 7548 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:17,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15830 Valid, 8593 Invalid, 16117 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8568 Valid, 7548 Invalid, 1 Unknown, 0 Unchecked, 30.0s Time] [2022-11-18 19:53:17,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7983 states. [2022-11-18 19:53:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7983 to 6822. [2022-11-18 19:53:18,106 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) [2022-11-18 19:53:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6822 states to 6822 states and 10207 transitions. [2022-11-18 19:53:18,178 INFO L78 Accepts]: Start accepts. Automaton has 6822 states and 10207 transitions. Word has length 126 [2022-11-18 19:53:18,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:18,179 INFO L495 AbstractCegarLoop]: Abstraction has 6822 states and 10207 transitions. [2022-11-18 19:53:18,180 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) [2022-11-18 19:53:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6822 states and 10207 transitions. [2022-11-18 19:53:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-18 19:53:18,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:18,197 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] [2022-11-18 19:53:18,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:53:18,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:53:18,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:18,198 INFO L85 PathProgramCache]: Analyzing trace with hash 131852473, now seen corresponding path program 1 times [2022-11-18 19:53:18,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:18,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709598442] [2022-11-18 19:53:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:18,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:53:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:53:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:53:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:53:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:53:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 19:53:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:53:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:53:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:53:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:53:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:53:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:53:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-18 19:53:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:53:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-18 19:53:19,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:19,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709598442] [2022-11-18 19:53:19,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709598442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:19,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:19,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:53:19,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080837413] [2022-11-18 19:53:19,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:19,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:53:19,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:19,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:53:19,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:53:19,797 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) [2022-11-18 19:53:21,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:23,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:25,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:18,948 INFO L93 Difference]: Finished difference Result 23729 states and 35902 transitions. [2022-11-18 19:54:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:54:18,949 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 [2022-11-18 19:54:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:19,115 INFO L225 Difference]: With dead ends: 23729 [2022-11-18 19:54:19,116 INFO L226 Difference]: Without dead ends: 16927 [2022-11-18 19:54:19,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:54:19,180 INFO L413 NwaCegarLoop]: 3074 mSDtfsCounter, 17975 mSDsluCounter, 12723 mSDsCounter, 0 mSdLazyCounter, 23632 mSolverCounterSat, 10071 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18410 SdHoareTripleChecker+Valid, 15797 SdHoareTripleChecker+Invalid, 33706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10071 IncrementalHoareTripleChecker+Valid, 23632 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:19,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18410 Valid, 15797 Invalid, 33706 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10071 Valid, 23632 Invalid, 3 Unknown, 0 Unchecked, 56.8s Time] [2022-11-18 19:54:19,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16927 states. [2022-11-18 19:54:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16927 to 13623. [2022-11-18 19:54:20,334 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) [2022-11-18 19:54:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13623 states to 13623 states and 20386 transitions. [2022-11-18 19:54:20,461 INFO L78 Accepts]: Start accepts. Automaton has 13623 states and 20386 transitions. Word has length 176 [2022-11-18 19:54:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:20,464 INFO L495 AbstractCegarLoop]: Abstraction has 13623 states and 20386 transitions. [2022-11-18 19:54:20,465 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) [2022-11-18 19:54:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 13623 states and 20386 transitions. [2022-11-18 19:54:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-18 19:54:20,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:20,478 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] [2022-11-18 19:54:20,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:54:20,479 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:20,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash 214343712, now seen corresponding path program 1 times [2022-11-18 19:54:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:20,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132894590] [2022-11-18 19:54:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:54:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:54:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:54:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:54:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 19:54:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:54:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-18 19:54:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 19:54:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 19:54:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 19:54:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 19:54:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:54:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-18 19:54:21,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:21,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132894590] [2022-11-18 19:54:21,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132894590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:21,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:21,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:54:21,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576611294] [2022-11-18 19:54:21,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:21,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:54:21,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:54:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:54:21,750 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) [2022-11-18 19:54:23,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:25,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:27,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:29,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:20,917 INFO L93 Difference]: Finished difference Result 47412 states and 73289 transitions. [2022-11-18 19:55:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:55:20,918 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 [2022-11-18 19:55:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:21,178 INFO L225 Difference]: With dead ends: 47412 [2022-11-18 19:55:21,179 INFO L226 Difference]: Without dead ends: 33809 [2022-11-18 19:55:21,262 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 [2022-11-18 19:55:21,263 INFO L413 NwaCegarLoop]: 3074 mSDtfsCounter, 18026 mSDsluCounter, 12739 mSDsCounter, 0 mSdLazyCounter, 24020 mSolverCounterSat, 10249 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18449 SdHoareTripleChecker+Valid, 15813 SdHoareTripleChecker+Invalid, 34273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10249 IncrementalHoareTripleChecker+Valid, 24020 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:21,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18449 Valid, 15813 Invalid, 34273 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10249 Valid, 24020 Invalid, 4 Unknown, 0 Unchecked, 56.2s Time] [2022-11-18 19:55:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33809 states. [2022-11-18 19:55:23,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33809 to 29387. [2022-11-18 19:55:23,422 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) [2022-11-18 19:55:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29387 states to 29387 states and 44844 transitions. [2022-11-18 19:55:23,659 INFO L78 Accepts]: Start accepts. Automaton has 29387 states and 44844 transitions. Word has length 173 [2022-11-18 19:55:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:23,659 INFO L495 AbstractCegarLoop]: Abstraction has 29387 states and 44844 transitions. [2022-11-18 19:55:23,660 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) [2022-11-18 19:55:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29387 states and 44844 transitions. [2022-11-18 19:55:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-18 19:55:23,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:23,666 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] [2022-11-18 19:55:23,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:55:23,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash 329398497, now seen corresponding path program 1 times [2022-11-18 19:55:23,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:23,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394863312] [2022-11-18 19:55:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:55:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:55:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:55:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:55:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 19:55:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 19:55:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 19:55:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:55:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 19:55:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:55:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:55:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 19:55:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-18 19:55:24,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:24,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394863312] [2022-11-18 19:55:24,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394863312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:24,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:24,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:55:24,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109126124] [2022-11-18 19:55:24,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:24,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:55:24,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:24,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:55:24,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:55:24,790 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) [2022-11-18 19:55:26,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:28,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:03,478 INFO L93 Difference]: Finished difference Result 96956 states and 153045 transitions. [2022-11-18 19:56:03,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:56:03,478 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 [2022-11-18 19:56:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:04,167 INFO L225 Difference]: With dead ends: 96956 [2022-11-18 19:56:04,168 INFO L226 Difference]: Without dead ends: 67589 [2022-11-18 19:56:04,355 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 [2022-11-18 19:56:04,358 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 22703 mSDsluCounter, 10125 mSDsCounter, 0 mSdLazyCounter, 18307 mSolverCounterSat, 13247 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23125 SdHoareTripleChecker+Valid, 13086 SdHoareTripleChecker+Invalid, 31556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13247 IncrementalHoareTripleChecker+Valid, 18307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:04,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23125 Valid, 13086 Invalid, 31556 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13247 Valid, 18307 Invalid, 2 Unknown, 0 Unchecked, 34.8s Time] [2022-11-18 19:56:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67589 states. [2022-11-18 19:56:08,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67589 to 59723. [2022-11-18 19:56:08,062 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) [2022-11-18 19:56:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59723 states to 59723 states and 92930 transitions. [2022-11-18 19:56:08,558 INFO L78 Accepts]: Start accepts. Automaton has 59723 states and 92930 transitions. Word has length 174 [2022-11-18 19:56:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:08,560 INFO L495 AbstractCegarLoop]: Abstraction has 59723 states and 92930 transitions. [2022-11-18 19:56:08,560 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) [2022-11-18 19:56:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 59723 states and 92930 transitions. [2022-11-18 19:56:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-18 19:56:08,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:08,568 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] [2022-11-18 19:56:08,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:56:08,568 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:08,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:08,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1280080413, now seen corresponding path program 1 times [2022-11-18 19:56:08,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:08,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797810831] [2022-11-18 19:56:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:08,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:56:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:56:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:56:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:56:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:56:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:56:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:56:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:56:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 19:56:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 19:56:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 19:56:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:56:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:56:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-18 19:56:09,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:09,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797810831] [2022-11-18 19:56:09,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797810831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:09,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:09,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:56:09,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165770774] [2022-11-18 19:56:09,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:56:09,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:56:09,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:09,834 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) [2022-11-18 19:56:11,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:13,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:15,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:17,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:01,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:01,513 INFO L93 Difference]: Finished difference Result 194880 states and 314791 transitions. [2022-11-18 19:57:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:57:01,513 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 [2022-11-18 19:57:01,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:03,036 INFO L225 Difference]: With dead ends: 194880 [2022-11-18 19:57:03,036 INFO L226 Difference]: Without dead ends: 135177 [2022-11-18 19:57:03,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:57:03,507 INFO L413 NwaCegarLoop]: 2922 mSDtfsCounter, 18637 mSDsluCounter, 12265 mSDsCounter, 0 mSdLazyCounter, 22794 mSolverCounterSat, 10472 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19060 SdHoareTripleChecker+Valid, 15187 SdHoareTripleChecker+Invalid, 33270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10472 IncrementalHoareTripleChecker+Valid, 22794 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:03,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19060 Valid, 15187 Invalid, 33270 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10472 Valid, 22794 Invalid, 4 Unknown, 0 Unchecked, 44.0s Time] [2022-11-18 19:57:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135177 states. [2022-11-18 19:57:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135177 to 120415. [2022-11-18 19:57:10,625 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) [2022-11-18 19:57:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120415 states to 120415 states and 191840 transitions. [2022-11-18 19:57:11,835 INFO L78 Accepts]: Start accepts. Automaton has 120415 states and 191840 transitions. Word has length 175 [2022-11-18 19:57:11,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:11,836 INFO L495 AbstractCegarLoop]: Abstraction has 120415 states and 191840 transitions. [2022-11-18 19:57:11,836 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) [2022-11-18 19:57:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 120415 states and 191840 transitions. [2022-11-18 19:57:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-18 19:57:11,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:11,844 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] [2022-11-18 19:57:11,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:57:11,845 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1929567682, now seen corresponding path program 1 times [2022-11-18 19:57:11,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:11,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534296785] [2022-11-18 19:57:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:57:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:57:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:57:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:57:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 19:57:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:57:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:57:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:57:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:57:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:57:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:57:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-18 19:57:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:57:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-18 19:57:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:12,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534296785] [2022-11-18 19:57:12,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534296785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:12,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:12,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:57:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501649176] [2022-11-18 19:57:12,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:12,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:57:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:12,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:57:12,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:12,983 INFO L87 Difference]: Start difference. First operand 120415 states and 191840 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) [2022-11-18 19:57:15,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:17,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:02,770 INFO L93 Difference]: Finished difference Result 390708 states and 647657 transitions. [2022-11-18 19:58:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:58:02,771 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 [2022-11-18 19:58:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:05,268 INFO L225 Difference]: With dead ends: 390708 [2022-11-18 19:58:05,269 INFO L226 Difference]: Without dead ends: 270313