./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-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:22:49,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:22:49,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:22:49,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:22:49,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:22:49,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:22:49,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:22:49,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:22:49,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:22:49,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:22:49,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:22:49,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:22:49,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:22:49,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:22:49,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:22:49,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:22:49,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:22:49,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:22:49,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:22:49,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:22:49,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:22:49,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:22:49,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:22:49,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:22:49,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:22:49,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:22:49,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:22:49,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:22:49,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:22:49,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:22:49,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:22:49,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:22:49,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:22:49,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:22:49,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:22:49,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:22:49,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:22:49,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:22:49,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:22:49,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:22:49,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:22:49,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:22:49,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:22:49,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:22:49,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:22:49,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:22:49,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:22:49,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:22:49,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:22:49,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:22:49,635 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:22:49,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:22:49,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:22:49,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:22:49,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:22:49,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:22:49,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:22:49,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:22:49,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:22:49,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:22:49,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:22:49,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:22:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:22:49,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:22:49,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:22:49,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:22:49,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:22:49,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:22:49,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:22:49,640 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:22:49,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:22:49,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:22:49,641 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_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-11-16 11:22:50,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:22:50,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:22:50,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:22:50,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:22:50,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:22:50,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-11-16 11:22:50,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/data/58eab4556/814cccac7fec4b3a9840093f3f893c6d/FLAG55df992be [2022-11-16 11:22:51,697 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:22:51,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-11-16 11:22:51,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/data/58eab4556/814cccac7fec4b3a9840093f3f893c6d/FLAG55df992be [2022-11-16 11:22:52,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/data/58eab4556/814cccac7fec4b3a9840093f3f893c6d [2022-11-16 11:22:52,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:22:52,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:22:52,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:22:52,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:22:52,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:22:52,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:52" (1/1) ... [2022-11-16 11:22:52,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a87367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:52, skipping insertion in model container [2022-11-16 11:22:52,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:52" (1/1) ... [2022-11-16 11:22:52,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:22:52,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:23:03,442 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2022-11-16 11:23:04,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:23:04,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:23:05,924 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2022-11-16 11:23:05,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:23:06,581 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:23:06,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06 WrapperNode [2022-11-16 11:23:06,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:23:06,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:23:06,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:23:06,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:23:06,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:07,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:08,325 INFO L138 Inliner]: procedures = 819, calls = 13996, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26746 [2022-11-16 11:23:08,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:23:08,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:23:08,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:23:08,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:23:08,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:08,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:08,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:08,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:09,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:10,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:10,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:10,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:10,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:23:10,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:23:10,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:23:10,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:23:10,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (1/1) ... [2022-11-16 11:23:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:23:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:23:10,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:23:10,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a55271-b133-4150-86fb-ec9b869de996/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:23:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-11-16 11:23:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-11-16 11:23:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-16 11:23:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-11-16 11:23:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-11-16 11:23:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-16 11:23:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-16 11:23:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 11:23:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 11:23:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-11-16 11:23:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-11-16 11:23:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 11:23:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 11:23:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-11-16 11:23:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-11-16 11:23:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-16 11:23:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-16 11:23:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 11:23:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 11:23:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-11-16 11:23:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-11-16 11:23:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-11-16 11:23:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-11-16 11:23:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-16 11:23:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-16 11:23:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-16 11:23:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-16 11:23:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-16 11:23:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-16 11:23:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 11:23:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 11:23:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-11-16 11:23:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-11-16 11:23:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-11-16 11:23:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-11-16 11:23:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-16 11:23:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-16 11:23:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-11-16 11:23:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-11-16 11:23:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:23:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:23:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-11-16 11:23:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-11-16 11:23:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-11-16 11:23:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-11-16 11:23:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-16 11:23:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-16 11:23:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:23:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:23:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-11-16 11:23:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-11-16 11:23:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-16 11:23:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-16 11:23:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-11-16 11:23:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-11-16 11:23:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-11-16 11:23:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-11-16 11:23:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-16 11:23:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-16 11:23:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-16 11:23:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-16 11:23:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-16 11:23:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-16 11:23:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:23:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-16 11:23:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-16 11:23:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-11-16 11:23:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-11-16 11:23:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-16 11:23:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-16 11:23:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 11:23:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 11:23:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-11-16 11:23:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-11-16 11:23:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-11-16 11:23:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-11-16 11:23:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-11-16 11:23:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-11-16 11:23:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 11:23:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 11:23:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:23:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-16 11:23:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-16 11:23:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:23:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:23:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:23:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:23:10,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:23:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:23:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:23:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 11:23:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 11:23:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-16 11:23:10,571 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-16 11:23:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-11-16 11:23:10,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-11-16 11:23:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 11:23:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 11:23:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-11-16 11:23:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-11-16 11:23:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-11-16 11:23:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-11-16 11:23:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-16 11:23:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-16 11:23:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:23:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:23:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-11-16 11:23:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-11-16 11:23:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-16 11:23:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-16 11:23:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:23:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:23:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-11-16 11:23:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-11-16 11:23:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:23:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:23:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-11-16 11:23:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-11-16 11:23:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-11-16 11:23:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-11-16 11:23:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:23:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-11-16 11:23:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-11-16 11:23:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-11-16 11:23:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-11-16 11:23:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 11:23:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 11:23:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-16 11:23:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-16 11:23:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:23:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:23:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-11-16 11:23:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-11-16 11:23:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-16 11:23:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-16 11:23:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-11-16 11:23:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-11-16 11:23:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-16 11:23:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-16 11:23:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:23:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:23:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:23:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:23:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-11-16 11:23:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-11-16 11:23:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-11-16 11:23:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-11-16 11:23:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:23:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:23:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-11-16 11:23:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-11-16 11:23:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 11:23:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 11:23:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 11:23:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 11:23:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-11-16 11:23:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-11-16 11:23:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:23:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-11-16 11:23:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-11-16 11:23:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:23:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:23:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-11-16 11:23:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-11-16 11:23:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-11-16 11:23:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-11-16 11:23:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:23:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 11:23:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 11:23:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-11-16 11:23:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-11-16 11:23:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-16 11:23:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-16 11:23:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-11-16 11:23:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-11-16 11:23:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-16 11:23:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-16 11:23:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-11-16 11:23:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-11-16 11:23:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-16 11:23:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-16 11:23:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-11-16 11:23:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-11-16 11:23:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-16 11:23:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:23:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:23:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 11:23:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 11:23:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-16 11:23:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-16 11:23:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:23:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:23:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-11-16 11:23:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-11-16 11:23:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-11-16 11:23:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-11-16 11:23:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 11:23:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 11:23:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-11-16 11:23:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-11-16 11:23:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-11-16 11:23:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-11-16 11:23:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-11-16 11:23:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-11-16 11:23:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-11-16 11:23:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-11-16 11:23:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-16 11:23:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-16 11:23:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-16 11:23:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-16 11:23:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-11-16 11:23:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-11-16 11:23:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-16 11:23:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-16 11:23:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-11-16 11:23:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-11-16 11:23:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:23:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-11-16 11:23:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-11-16 11:23:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-16 11:23:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-16 11:23:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:23:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:23:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-11-16 11:23:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-11-16 11:23:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-11-16 11:23:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-11-16 11:23:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-11-16 11:23:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-11-16 11:23:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-11-16 11:23:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-11-16 11:23:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-16 11:23:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-16 11:23:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-11-16 11:23:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-11-16 11:23:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-16 11:23:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-16 11:23:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 11:23:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 11:23:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 11:23:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 11:23:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-11-16 11:23:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-11-16 11:23:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-11-16 11:23:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-11-16 11:23:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-11-16 11:23:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-11-16 11:23:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-11-16 11:23:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-11-16 11:23:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-11-16 11:23:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-11-16 11:23:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-11-16 11:23:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-11-16 11:23:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-16 11:23:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-16 11:23:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:23:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:23:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:23:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:23:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-11-16 11:23:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-11-16 11:23:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-11-16 11:23:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-11-16 11:23:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:23:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:23:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-16 11:23:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-16 11:23:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-11-16 11:23:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-11-16 11:23:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-16 11:23:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-16 11:23:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-11-16 11:23:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-11-16 11:23:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-11-16 11:23:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-11-16 11:23:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-11-16 11:23:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-11-16 11:23:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:23:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:23:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-16 11:23:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-16 11:23:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-11-16 11:23:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-11-16 11:23:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-11-16 11:23:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-11-16 11:23:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-11-16 11:23:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-11-16 11:23:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-11-16 11:23:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-11-16 11:23:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-11-16 11:23:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-11-16 11:23:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-16 11:23:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-16 11:23:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-11-16 11:23:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-11-16 11:23:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:23:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:23:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-11-16 11:23:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-11-16 11:23:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-11-16 11:23:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-11-16 11:23:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:23:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-11-16 11:23:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-11-16 11:23:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-16 11:23:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-16 11:23:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-16 11:23:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-16 11:23:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-11-16 11:23:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-11-16 11:23:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 11:23:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 11:23:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-11-16 11:23:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-11-16 11:23:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-16 11:23:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-16 11:23:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-11-16 11:23:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-11-16 11:23:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 11:23:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 11:23:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:23:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-11-16 11:23:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-11-16 11:23:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-11-16 11:23:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-11-16 11:23:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:23:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:23:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-11-16 11:23:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-11-16 11:23:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:23:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-11-16 11:23:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-11-16 11:23:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-16 11:23:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-16 11:23:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-11-16 11:23:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-11-16 11:23:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-11-16 11:23:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-11-16 11:23:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-11-16 11:23:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-11-16 11:23:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-11-16 11:23:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-11-16 11:23:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-11-16 11:23:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-11-16 11:23:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:23:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:23:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-11-16 11:23:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-11-16 11:23:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-11-16 11:23:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-11-16 11:23:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-16 11:23:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-16 11:23:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-11-16 11:23:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-11-16 11:23:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-11-16 11:23:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-11-16 11:23:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-11-16 11:23:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-11-16 11:23:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 11:23:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 11:23:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-16 11:23:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-16 11:23:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-11-16 11:23:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-11-16 11:23:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-11-16 11:23:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-11-16 11:23:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-11-16 11:23:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-11-16 11:23:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:23:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:23:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-16 11:23:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-16 11:23:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-11-16 11:23:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-11-16 11:23:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-11-16 11:23:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-11-16 11:23:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:23:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:23:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-11-16 11:23:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-11-16 11:23:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-11-16 11:23:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-11-16 11:23:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-11-16 11:23:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-11-16 11:23:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-11-16 11:23:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-11-16 11:23:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-11-16 11:23:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-11-16 11:23:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 11:23:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 11:23:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-11-16 11:23:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-11-16 11:23:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-11-16 11:23:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-11-16 11:23:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:23:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:23:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-11-16 11:23:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-11-16 11:23:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-16 11:23:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-16 11:23:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:23:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:23:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-11-16 11:23:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-11-16 11:23:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:23:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:23:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-16 11:23:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-16 11:23:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:23:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:23:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:23:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-11-16 11:23:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-11-16 11:23:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-11-16 11:23:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-11-16 11:23:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-11-16 11:23:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-11-16 11:23:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-11-16 11:23:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-11-16 11:23:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-11-16 11:23:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-11-16 11:23:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-11-16 11:23:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-11-16 11:23:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-11-16 11:23:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-11-16 11:23:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:23:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:23:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-11-16 11:23:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-11-16 11:23:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 11:23:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 11:23:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-11-16 11:23:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-11-16 11:23:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-16 11:23:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-16 11:23:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-16 11:23:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-16 11:23:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 11:23:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 11:23:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-11-16 11:23:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-11-16 11:23:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-11-16 11:23:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-11-16 11:23:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-11-16 11:23:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-11-16 11:23:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-11-16 11:23:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-11-16 11:23:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:23:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-11-16 11:23:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-11-16 11:23:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-16 11:23:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-16 11:23:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-11-16 11:23:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-11-16 11:23:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:23:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:23:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-11-16 11:23:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-11-16 11:23:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-16 11:23:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-16 11:23:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-11-16 11:23:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-11-16 11:23:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 11:23:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 11:23:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-11-16 11:23:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-11-16 11:23:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-16 11:23:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-16 11:23:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-11-16 11:23:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-11-16 11:23:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-16 11:23:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-16 11:23:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:23:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:23:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-11-16 11:23:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-11-16 11:23:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-11-16 11:23:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-11-16 11:23:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-16 11:23:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-16 11:23:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-11-16 11:23:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-11-16 11:23:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-11-16 11:23:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-11-16 11:23:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 11:23:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 11:23:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 11:23:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 11:23:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:23:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:23:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-11-16 11:23:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-11-16 11:23:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-11-16 11:23:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-11-16 11:23:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-11-16 11:23:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-11-16 11:23:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-11-16 11:23:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-11-16 11:23:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-11-16 11:23:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-11-16 11:23:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-11-16 11:23:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-11-16 11:23:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-11-16 11:23:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-11-16 11:23:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-11-16 11:23:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-11-16 11:23:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 11:23:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 11:23:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-11-16 11:23:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-11-16 11:23:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-11-16 11:23:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-11-16 11:23:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-11-16 11:23:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-11-16 11:23:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-11-16 11:23:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-11-16 11:23:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:23:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:23:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-11-16 11:23:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-11-16 11:23:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:23:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:23:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-11-16 11:23:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-11-16 11:23:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-11-16 11:23:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-11-16 11:23:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-11-16 11:23:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-11-16 11:23:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:23:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-11-16 11:23:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-11-16 11:23:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 11:23:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-16 11:23:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-16 11:23:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-11-16 11:23:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-11-16 11:23:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-11-16 11:23:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-11-16 11:23:13,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:23:13,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:23:14,086 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:25:07,106 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:25:07,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:25:07,144 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:25:07,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:25:07 BoogieIcfgContainer [2022-11-16 11:25:07,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:25:07,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:25:07,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:25:07,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:25:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:22:52" (1/3) ... [2022-11-16 11:25:07,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382814cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:25:07, skipping insertion in model container [2022-11-16 11:25:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:23:06" (2/3) ... [2022-11-16 11:25:07,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382814cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:25:07, skipping insertion in model container [2022-11-16 11:25:07,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:25:07" (3/3) ... [2022-11-16 11:25:07,174 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-11-16 11:25:07,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:25:07,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:25:07,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:25:07,375 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;@5c434a8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:25:07,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:25:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 7470 states, 5424 states have (on average 1.44155604719764) internal successors, (7819), 5652 states have internal predecessors, (7819), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) [2022-11-16 11:25:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 11:25:07,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:07,420 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:07,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:25:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:07,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1353474572, now seen corresponding path program 1 times [2022-11-16 11:25:07,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:07,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708846857] [2022-11-16 11:25:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:25:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:25:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:25:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:25:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:25:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:25:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:25:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:25:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:25:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:25:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:25:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:09,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708846857] [2022-11-16 11:25:09,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708846857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:09,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:09,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:25:09,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523168752] [2022-11-16 11:25:09,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:09,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:25:09,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:09,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:25:09,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:25:09,697 INFO L87 Difference]: Start difference. First operand has 7470 states, 5424 states have (on average 1.44155604719764) internal successors, (7819), 5652 states have internal predecessors, (7819), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) 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, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 11:25:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:25:46,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:25:49,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:00,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:03,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:03,512 INFO L93 Difference]: Finished difference Result 16098 states and 26066 transitions. [2022-11-16 11:26:03,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:26:03,514 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, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 173 [2022-11-16 11:26:03,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:03,672 INFO L225 Difference]: With dead ends: 16098 [2022-11-16 11:26:03,673 INFO L226 Difference]: Without dead ends: 8617 [2022-11-16 11:26:03,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:26:03,760 INFO L413 NwaCegarLoop]: 9722 mSDtfsCounter, 7300 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 5509 mSolverCounterSat, 7011 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7399 SdHoareTripleChecker+Valid, 15272 SdHoareTripleChecker+Invalid, 12525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7011 IncrementalHoareTripleChecker+Valid, 5509 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:03,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7399 Valid, 15272 Invalid, 12525 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7011 Valid, 5509 Invalid, 5 Unknown, 0 Unchecked, 52.2s Time] [2022-11-16 11:26:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8617 states. [2022-11-16 11:26:04,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8617 to 7451. [2022-11-16 11:26:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7451 states, 5416 states have (on average 1.4383308714918759) internal successors, (7790), 5633 states have internal predecessors, (7790), 1777 states have call successors, (1777), 258 states have call predecessors, (1777), 257 states have return successors, (1765), 1684 states have call predecessors, (1765), 1765 states have call successors, (1765) [2022-11-16 11:26:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7451 states to 7451 states and 11332 transitions. [2022-11-16 11:26:04,492 INFO L78 Accepts]: Start accepts. Automaton has 7451 states and 11332 transitions. Word has length 173 [2022-11-16 11:26:04,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:04,492 INFO L495 AbstractCegarLoop]: Abstraction has 7451 states and 11332 transitions. [2022-11-16 11:26:04,494 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, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 11:26:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 7451 states and 11332 transitions. [2022-11-16 11:26:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 11:26:04,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:04,512 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:04,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:26:04,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:26:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1335738582, now seen corresponding path program 1 times [2022-11-16 11:26:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:04,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669294161] [2022-11-16 11:26:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:26:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:26:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:26:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:26:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:26:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:26:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:26:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:26:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:26:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:26:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:26:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:26:06,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:06,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669294161] [2022-11-16 11:26:06,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669294161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:26:06,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:26:06,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:26:06,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189797182] [2022-11-16 11:26:06,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:26:06,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:26:06,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:06,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:26:06,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:26:06,148 INFO L87 Difference]: Start difference. First operand 7451 states and 11332 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, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 11:26:22,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:24,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:26,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:28,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:42,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:50,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:52,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:26:54,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:27:10,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:27:14,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:27:22,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:03,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:04,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:27,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:34,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:36,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:37,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:28:37,678 INFO L93 Difference]: Finished difference Result 23139 states and 36546 transitions. [2022-11-16 11:28:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:28:37,679 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, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 173 [2022-11-16 11:28:37,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:28:37,840 INFO L225 Difference]: With dead ends: 23139 [2022-11-16 11:28:37,840 INFO L226 Difference]: Without dead ends: 15714 [2022-11-16 11:28:37,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:28:37,890 INFO L413 NwaCegarLoop]: 10924 mSDtfsCounter, 17812 mSDsluCounter, 24067 mSDsCounter, 0 mSdLazyCounter, 18723 mSolverCounterSat, 9303 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18871 SdHoareTripleChecker+Valid, 34991 SdHoareTripleChecker+Invalid, 28036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 9303 IncrementalHoareTripleChecker+Valid, 18723 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:28:37,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18871 Valid, 34991 Invalid, 28036 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [9303 Valid, 18723 Invalid, 10 Unknown, 0 Unchecked, 149.5s Time] [2022-11-16 11:28:37,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15714 states. [2022-11-16 11:28:38,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15714 to 13396. [2022-11-16 11:28:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13396 states, 9714 states have (on average 1.4352480955322215) internal successors, (13942), 10130 states have internal predecessors, (13942), 3192 states have call successors, (3192), 490 states have call predecessors, (3192), 489 states have return successors, (3180), 3017 states have call predecessors, (3180), 3180 states have call successors, (3180) [2022-11-16 11:28:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13396 states to 13396 states and 20314 transitions. [2022-11-16 11:28:38,918 INFO L78 Accepts]: Start accepts. Automaton has 13396 states and 20314 transitions. Word has length 173 [2022-11-16 11:28:38,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:28:38,921 INFO L495 AbstractCegarLoop]: Abstraction has 13396 states and 20314 transitions. [2022-11-16 11:28:38,922 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, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 11:28:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 13396 states and 20314 transitions. [2022-11-16 11:28:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-16 11:28:38,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:28:38,934 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:38,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:28:38,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:28:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2081128830, now seen corresponding path program 1 times [2022-11-16 11:28:38,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:38,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380113285] [2022-11-16 11:28:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:28:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:28:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:28:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:28:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:28:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:28:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:28:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:28:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:28:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:28:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:28:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:28:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:28:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:28:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:28:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:40,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380113285] [2022-11-16 11:28:40,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380113285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:40,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:40,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:28:40,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488227919] [2022-11-16 11:28:40,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:40,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:28:40,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:28:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:28:40,973 INFO L87 Difference]: Start difference. First operand 13396 states and 20314 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:28:56,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:28:58,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:20,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:32,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:29:46,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:02,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:17,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:22,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:30:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:30:22,349 INFO L93 Difference]: Finished difference Result 17056 states and 28005 transitions. [2022-11-16 11:30:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:30:22,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 180 [2022-11-16 11:30:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:30:22,477 INFO L225 Difference]: With dead ends: 17056 [2022-11-16 11:30:22,477 INFO L226 Difference]: Without dead ends: 17053 [2022-11-16 11:30:22,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:30:22,499 INFO L413 NwaCegarLoop]: 9521 mSDtfsCounter, 17641 mSDsluCounter, 15045 mSDsCounter, 0 mSdLazyCounter, 12764 mSolverCounterSat, 7075 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19259 SdHoareTripleChecker+Valid, 24566 SdHoareTripleChecker+Invalid, 19844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7075 IncrementalHoareTripleChecker+Valid, 12764 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:30:22,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19259 Valid, 24566 Invalid, 19844 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7075 Valid, 12764 Invalid, 5 Unknown, 0 Unchecked, 99.7s Time] [2022-11-16 11:30:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17053 states. [2022-11-16 11:30:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17053 to 13423. [2022-11-16 11:30:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13423 states, 9732 states have (on average 1.434340320591862) internal successors, (13959), 10147 states have internal predecessors, (13959), 3195 states have call successors, (3195), 496 states have call predecessors, (3195), 495 states have return successors, (3184), 3021 states have call predecessors, (3184), 3184 states have call successors, (3184) [2022-11-16 11:30:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13423 states to 13423 states and 20338 transitions. [2022-11-16 11:30:23,660 INFO L78 Accepts]: Start accepts. Automaton has 13423 states and 20338 transitions. Word has length 180 [2022-11-16 11:30:23,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:30:23,661 INFO L495 AbstractCegarLoop]: Abstraction has 13423 states and 20338 transitions. [2022-11-16 11:30:23,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:30:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 13423 states and 20338 transitions. [2022-11-16 11:30:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-16 11:30:23,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:30:23,666 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:30:23,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:30:23,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:30:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:30:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash -93322954, now seen corresponding path program 1 times [2022-11-16 11:30:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:30:23,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000165305] [2022-11-16 11:30:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:30:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:30:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:30:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:30:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:30:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:30:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:30:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:30:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:30:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:30:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:30:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:30:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:30:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:30:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:30:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:30:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:30:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:30:25,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:30:25,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000165305] [2022-11-16 11:30:25,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000165305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:30:25,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:30:25,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:30:25,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107132673] [2022-11-16 11:30:25,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:30:25,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:30:25,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:30:25,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:30:25,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:30:25,314 INFO L87 Difference]: Start difference. First operand 13423 states and 20338 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:30:41,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:08,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:10,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:29,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:36,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:38,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:31:53,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:20,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:38,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:43,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:32:44,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:32:44,369 INFO L93 Difference]: Finished difference Result 25347 states and 41017 transitions. [2022-11-16 11:32:44,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:32:44,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 181 [2022-11-16 11:32:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:32:44,556 INFO L225 Difference]: With dead ends: 25347 [2022-11-16 11:32:44,557 INFO L226 Difference]: Without dead ends: 25343 [2022-11-16 11:32:44,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:32:44,594 INFO L413 NwaCegarLoop]: 9918 mSDtfsCounter, 20250 mSDsluCounter, 19762 mSDsCounter, 0 mSdLazyCounter, 17908 mSolverCounterSat, 9379 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21752 SdHoareTripleChecker+Valid, 29680 SdHoareTripleChecker+Invalid, 27293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 9379 IncrementalHoareTripleChecker+Valid, 17908 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:32:44,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21752 Valid, 29680 Invalid, 27293 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [9379 Valid, 17908 Invalid, 6 Unknown, 0 Unchecked, 136.7s Time] [2022-11-16 11:32:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25343 states. [2022-11-16 11:32:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25343 to 19415. [2022-11-16 11:32:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19415 states, 14043 states have (on average 1.423841059602649) internal successors, (19995), 14652 states have internal predecessors, (19995), 4502 states have call successors, (4502), 844 states have call predecessors, (4502), 869 states have return successors, (4590), 4276 states have call predecessors, (4590), 4493 states have call successors, (4590) [2022-11-16 11:32:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 29087 transitions. [2022-11-16 11:32:46,273 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 29087 transitions. Word has length 181 [2022-11-16 11:32:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:32:46,275 INFO L495 AbstractCegarLoop]: Abstraction has 19415 states and 29087 transitions. [2022-11-16 11:32:46,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:32:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 29087 transitions. [2022-11-16 11:32:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-16 11:32:46,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:32:46,281 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:32:46,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:32:46,282 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:32:46,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:32:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1399121925, now seen corresponding path program 1 times [2022-11-16 11:32:46,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:32:46,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20964171] [2022-11-16 11:32:46,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:32:46,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:32:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:32:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:32:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:32:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:32:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:32:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:32:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:32:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:32:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:32:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:32:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:32:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:32:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:32:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:32:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:32:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:32:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:32:48,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20964171] [2022-11-16 11:32:48,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20964171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:32:48,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:32:48,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:32:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032819722] [2022-11-16 11:32:48,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:32:48,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:32:48,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:32:48,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:32:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:32:48,015 INFO L87 Difference]: Start difference. First operand 19415 states and 29087 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:33:05,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:34,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:36,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:38,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:33:51,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:09,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:30,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:31,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:51,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:56,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:58,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:59,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:34:59,788 INFO L93 Difference]: Finished difference Result 25341 states and 41032 transitions. [2022-11-16 11:34:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:34:59,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 182 [2022-11-16 11:34:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:34:59,978 INFO L225 Difference]: With dead ends: 25341 [2022-11-16 11:34:59,978 INFO L226 Difference]: Without dead ends: 25338 [2022-11-16 11:35:00,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:35:00,005 INFO L413 NwaCegarLoop]: 9496 mSDtfsCounter, 16724 mSDsluCounter, 19409 mSDsCounter, 0 mSdLazyCounter, 16495 mSolverCounterSat, 6849 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18239 SdHoareTripleChecker+Valid, 28905 SdHoareTripleChecker+Invalid, 23353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6849 IncrementalHoareTripleChecker+Valid, 16495 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:00,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18239 Valid, 28905 Invalid, 23353 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6849 Valid, 16495 Invalid, 9 Unknown, 0 Unchecked, 129.6s Time] [2022-11-16 11:35:00,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25338 states. [2022-11-16 11:35:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25338 to 19202. [2022-11-16 11:35:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19202 states, 13911 states have (on average 1.4252030767018906) internal successors, (19826), 14509 states have internal predecessors, (19826), 4445 states have call successors, (4445), 844 states have call predecessors, (4445), 845 states have return successors, (4458), 4202 states have call predecessors, (4458), 4437 states have call successors, (4458) [2022-11-16 11:35:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19202 states to 19202 states and 28729 transitions. [2022-11-16 11:35:01,651 INFO L78 Accepts]: Start accepts. Automaton has 19202 states and 28729 transitions. Word has length 182 [2022-11-16 11:35:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:01,651 INFO L495 AbstractCegarLoop]: Abstraction has 19202 states and 28729 transitions. [2022-11-16 11:35:01,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:35:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 19202 states and 28729 transitions. [2022-11-16 11:35:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-16 11:35:01,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:01,656 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:35:01,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:35:01,656 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:01,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:01,657 INFO L85 PathProgramCache]: Analyzing trace with hash 420277785, now seen corresponding path program 1 times [2022-11-16 11:35:01,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:01,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333418324] [2022-11-16 11:35:01,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:35:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:35:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:35:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:35:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:35:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:35:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:35:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:35:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:35:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:35:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:35:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:35:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:35:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:35:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 11:35:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-16 11:35:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:35:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 11:35:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:03,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333418324] [2022-11-16 11:35:03,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333418324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:03,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:03,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:35:03,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434133083] [2022-11-16 11:35:03,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:03,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:35:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:35:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:35:03,299 INFO L87 Difference]: Start difference. First operand 19202 states and 28729 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 11:35:17,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:43,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:58,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []