./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/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_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 21:02:15,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:02:15,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:02:15,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:02:15,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:02:15,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:02:15,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:02:15,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:02:15,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:02:15,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:02:15,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:02:15,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:02:15,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:02:15,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:02:15,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:02:15,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:02:15,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:02:15,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:02:15,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:02:15,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:02:15,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:02:15,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:02:15,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:02:15,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:02:15,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:02:15,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:02:15,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:02:15,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:02:15,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:02:15,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:02:15,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:02:15,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:02:15,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:02:15,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:02:15,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:02:15,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:02:15,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:02:15,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:02:15,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:02:15,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:02:15,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:02:15,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:02:15,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:02:15,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:02:15,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:02:15,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:02:15,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:02:15,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:02:15,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:02:15,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:02:15,391 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:02:15,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:02:15,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:02:15,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:02:15,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:02:15,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:02:15,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:02:15,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:02:15,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:02:15,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:02:15,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:02:15,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:02:15,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:02:15,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:02:15,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:02:15,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:02:15,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:02:15,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:02:15,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:02:15,398 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:02:15,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:02:15,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:02:15,399 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_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-11-18 21:02:15,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:02:15,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:02:15,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:02:15,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:02:15,820 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:02:15,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 21:02:15,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/data/243b6d9a7/505edf9ee4084e299550909df1a0f4d5/FLAGdb7045736 [2022-11-18 21:02:17,794 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:02:17,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/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 [2022-11-18 21:02:17,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/data/243b6d9a7/505edf9ee4084e299550909df1a0f4d5/FLAGdb7045736 [2022-11-18 21:02:18,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/data/243b6d9a7/505edf9ee4084e299550909df1a0f4d5 [2022-11-18 21:02:18,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:02:18,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:02:18,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:02:18,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:02:18,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:02:18,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:18" (1/1) ... [2022-11-18 21:02:18,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f89f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:18, skipping insertion in model container [2022-11-18 21:02:18,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:18" (1/1) ... [2022-11-18 21:02:18,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:02:18,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:02:30,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/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] [2022-11-18 21:02:31,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:02:31,494 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:02:33,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/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] [2022-11-18 21:02:33,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:02:33,809 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:02:33,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33 WrapperNode [2022-11-18 21:02:33,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:02:33,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:02:33,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:02:33,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:02:33,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:34,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:35,368 INFO L138 Inliner]: procedures = 819, calls = 13996, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26746 [2022-11-18 21:02:35,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:02:35,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:02:35,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:02:35,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:02:35,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:35,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:35,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:35,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:36,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:36,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:36,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:36,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:37,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:02:37,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:02:37,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:02:37,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:02:37,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (1/1) ... [2022-11-18 21:02:37,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:02:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:02:37,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:02:37,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194db2b6-5922-4a1f-a923-5d0bc8ca6a98/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:02:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-11-18 21:02:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-11-18 21:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 21:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-11-18 21:02:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-11-18 21:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-18 21:02:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-18 21:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 21:02:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 21:02:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-11-18 21:02:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-11-18 21:02:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 21:02:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 21:02:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-11-18 21:02:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-11-18 21:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 21:02:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 21:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 21:02:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 21:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-11-18 21:02:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-11-18 21:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-11-18 21:02:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-11-18 21:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-18 21:02:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-18 21:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-18 21:02:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-18 21:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-18 21:02:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-18 21:02:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 21:02:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 21:02:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-11-18 21:02:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-11-18 21:02:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-11-18 21:02:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-11-18 21:02:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-18 21:02:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-18 21:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-11-18 21:02:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-11-18 21:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 21:02:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 21:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-11-18 21:02:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-11-18 21:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-11-18 21:02:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-11-18 21:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-18 21:02:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-18 21:02:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:02:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:02:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-11-18 21:02:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-11-18 21:02:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 21:02:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 21:02:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-11-18 21:02:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-11-18 21:02:37,235 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-11-18 21:02:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-11-18 21:02:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 21:02:37,237 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 21:02:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-18 21:02:37,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-18 21:02:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-18 21:02:37,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-18 21:02:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:02:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 21:02:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 21:02:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-11-18 21:02:37,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-11-18 21:02:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-18 21:02:37,240 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-18 21:02:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 21:02:37,241 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 21:02:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-11-18 21:02:37,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-11-18 21:02:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-11-18 21:02:37,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-11-18 21:02:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-11-18 21:02:37,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-11-18 21:02:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 21:02:37,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 21:02:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:02:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-18 21:02:37,244 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-18 21:02:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:02:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 21:02:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 21:02:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 21:02:37,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 21:02:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:02:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:02:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 21:02:37,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 21:02:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-18 21:02:37,248 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-18 21:02:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-11-18 21:02:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-11-18 21:02:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 21:02:37,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 21:02:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-11-18 21:02:37,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-11-18 21:02:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-11-18 21:02:37,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-11-18 21:02:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 21:02:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 21:02:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:02:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:02:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-11-18 21:02:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-11-18 21:02:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 21:02:37,254 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 21:02:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:02:37,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:02:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-11-18 21:02:37,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-11-18 21:02:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 21:02:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 21:02:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-11-18 21:02:37,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-11-18 21:02:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-11-18 21:02:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-11-18 21:02:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:02:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-11-18 21:02:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-11-18 21:02:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-11-18 21:02:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-11-18 21:02:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 21:02:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 21:02:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-18 21:02:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-18 21:02:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 21:02:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 21:02:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-11-18 21:02:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-11-18 21:02:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-18 21:02:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-18 21:02:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-11-18 21:02:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-11-18 21:02:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-18 21:02:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-18 21:02:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 21:02:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 21:02:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:02:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:02:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-11-18 21:02:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-11-18 21:02:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-11-18 21:02:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-11-18 21:02:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:02:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:02:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-11-18 21:02:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-11-18 21:02:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 21:02:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 21:02:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 21:02:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 21:02:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-11-18 21:02:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-11-18 21:02:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:02:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-11-18 21:02:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-11-18 21:02:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:02:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:02:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-11-18 21:02:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-11-18 21:02:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-11-18 21:02:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-11-18 21:02:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:02:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 21:02:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 21:02:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-11-18 21:02:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-11-18 21:02:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-18 21:02:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-18 21:02:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-11-18 21:02:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-11-18 21:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-18 21:02:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-18 21:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-11-18 21:02:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-11-18 21:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-18 21:02:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-18 21:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-11-18 21:02:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-11-18 21:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 21:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:02:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:02:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 21:02:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 21:02:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-18 21:02:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-18 21:02:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 21:02:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 21:02:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-11-18 21:02:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-11-18 21:02:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-11-18 21:02:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-11-18 21:02:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 21:02:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 21:02:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-11-18 21:02:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-11-18 21:02:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-11-18 21:02:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-11-18 21:02:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-11-18 21:02:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-11-18 21:02:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-11-18 21:02:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-11-18 21:02:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 21:02:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 21:02:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-18 21:02:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-18 21:02:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-11-18 21:02:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-11-18 21:02:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-18 21:02:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-18 21:02:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-11-18 21:02:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-11-18 21:02:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:02:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-11-18 21:02:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-11-18 21:02:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-18 21:02:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-18 21:02:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:02:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:02:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-11-18 21:02:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-11-18 21:02:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-11-18 21:02:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-11-18 21:02:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-11-18 21:02:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-11-18 21:02:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-11-18 21:02:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-11-18 21:02:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-18 21:02:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-18 21:02:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-11-18 21:02:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-11-18 21:02:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-18 21:02:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-18 21:02:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 21:02:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 21:02:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 21:02:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 21:02:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-11-18 21:02:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-11-18 21:02:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-11-18 21:02:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-11-18 21:02:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-11-18 21:02:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-11-18 21:02:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-11-18 21:02:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-11-18 21:02:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-11-18 21:02:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-11-18 21:02:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-11-18 21:02:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-11-18 21:02:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-18 21:02:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-18 21:02:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 21:02:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 21:02:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:02:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:02:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-11-18 21:02:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-11-18 21:02:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-11-18 21:02:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-11-18 21:02:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:02:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:02:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-18 21:02:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-18 21:02:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-11-18 21:02:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-11-18 21:02:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-18 21:02:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-18 21:02:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-11-18 21:02:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-11-18 21:02:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-11-18 21:02:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-11-18 21:02:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-11-18 21:02:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-11-18 21:02:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 21:02:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 21:02:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-18 21:02:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-18 21:02:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-11-18 21:02:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-11-18 21:02:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-11-18 21:02:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-11-18 21:02:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-11-18 21:02:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-11-18 21:02:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-11-18 21:02:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-11-18 21:02:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-11-18 21:02:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-11-18 21:02:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 21:02:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 21:02:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-11-18 21:02:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-11-18 21:02:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:02:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:02:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-11-18 21:02:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-11-18 21:02:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-11-18 21:02:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-11-18 21:02:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:02:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-11-18 21:02:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-11-18 21:02:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-18 21:02:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-18 21:02:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 21:02:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 21:02:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-11-18 21:02:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-11-18 21:02:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 21:02:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 21:02:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-11-18 21:02:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-11-18 21:02:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-18 21:02:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-18 21:02:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-11-18 21:02:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-11-18 21:02:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-18 21:02:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-18 21:02:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:02:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-11-18 21:02:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-11-18 21:02:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-11-18 21:02:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-11-18 21:02:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 21:02:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 21:02:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-11-18 21:02:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-11-18 21:02:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:02:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-11-18 21:02:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-11-18 21:02:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-18 21:02:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-18 21:02:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-11-18 21:02:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-11-18 21:02:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-11-18 21:02:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-11-18 21:02:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-11-18 21:02:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-11-18 21:02:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-11-18 21:02:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-11-18 21:02:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-11-18 21:02:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-11-18 21:02:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:02:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:02:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-11-18 21:02:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-11-18 21:02:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-11-18 21:02:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-11-18 21:02:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-18 21:02:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-18 21:02:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-11-18 21:02:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-11-18 21:02:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-11-18 21:02:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-11-18 21:02:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-11-18 21:02:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-11-18 21:02:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 21:02:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 21:02:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-18 21:02:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-18 21:02:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-11-18 21:02:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-11-18 21:02:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-11-18 21:02:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-11-18 21:02:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-11-18 21:02:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-11-18 21:02:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:02:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:02:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-18 21:02:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-18 21:02:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-11-18 21:02:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-11-18 21:02:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-11-18 21:02:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-11-18 21:02:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:02:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 21:02:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-11-18 21:02:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-11-18 21:02:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-11-18 21:02:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-11-18 21:02:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-11-18 21:02:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-11-18 21:02:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-11-18 21:02:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-11-18 21:02:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-11-18 21:02:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-11-18 21:02:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 21:02:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 21:02:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-11-18 21:02:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-11-18 21:02:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-11-18 21:02:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-11-18 21:02:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 21:02:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 21:02:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-11-18 21:02:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-11-18 21:02:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 21:02:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 21:02:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 21:02:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 21:02:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-11-18 21:02:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-11-18 21:02:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 21:02:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 21:02:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-18 21:02:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-18 21:02:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:02:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:02:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:02:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-11-18 21:02:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-11-18 21:02:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-11-18 21:02:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-11-18 21:02:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-11-18 21:02:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-11-18 21:02:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-11-18 21:02:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-11-18 21:02:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-11-18 21:02:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-11-18 21:02:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-11-18 21:02:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-11-18 21:02:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-11-18 21:02:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-11-18 21:02:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:02:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:02:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-11-18 21:02:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-11-18 21:02:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 21:02:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 21:02:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-11-18 21:02:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-11-18 21:02:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-18 21:02:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-18 21:02:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-18 21:02:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-18 21:02:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 21:02:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 21:02:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-11-18 21:02:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-11-18 21:02:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-11-18 21:02:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-11-18 21:02:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-11-18 21:02:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-11-18 21:02:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-11-18 21:02:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-11-18 21:02:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:02:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-11-18 21:02:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-11-18 21:02:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 21:02:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 21:02:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-11-18 21:02:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-11-18 21:02:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 21:02:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 21:02:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-11-18 21:02:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-11-18 21:02:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:02:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:02:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-11-18 21:02:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-11-18 21:02:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 21:02:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 21:02:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-11-18 21:02:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-11-18 21:02:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-18 21:02:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-18 21:02:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-11-18 21:02:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-11-18 21:02:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 21:02:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 21:02:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:02:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:02:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-11-18 21:02:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-11-18 21:02:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-11-18 21:02:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-11-18 21:02:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-18 21:02:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-18 21:02:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-11-18 21:02:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-11-18 21:02:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-11-18 21:02:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-11-18 21:02:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 21:02:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 21:02:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 21:02:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 21:02:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 21:02:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 21:02:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-11-18 21:02:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-11-18 21:02:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-11-18 21:02:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-11-18 21:02:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-11-18 21:02:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-11-18 21:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-11-18 21:02:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-11-18 21:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-11-18 21:02:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-11-18 21:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-11-18 21:02:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-11-18 21:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-11-18 21:02:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-11-18 21:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-11-18 21:02:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-11-18 21:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-18 21:02:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-18 21:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-11-18 21:02:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-11-18 21:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-11-18 21:02:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-11-18 21:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-11-18 21:02:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-11-18 21:02:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-11-18 21:02:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-11-18 21:02:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 21:02:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 21:02:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-11-18 21:02:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-11-18 21:02:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:02:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:02:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-11-18 21:02:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-11-18 21:02:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-11-18 21:02:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-11-18 21:02:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-11-18 21:02:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-11-18 21:02:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:02:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-11-18 21:02:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-11-18 21:02:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 21:02:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-18 21:02:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-18 21:02:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-11-18 21:02:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-11-18 21:02:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-11-18 21:02:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-11-18 21:02:40,082 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:02:40,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:02:40,380 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:04:20,649 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:04:20,720 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:04:20,720 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 21:04:20,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:20 BoogieIcfgContainer [2022-11-18 21:04:20,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:04:20,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:04:20,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:04:20,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:04:20,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:02:18" (1/3) ... [2022-11-18 21:04:20,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb5ee26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:20, skipping insertion in model container [2022-11-18 21:04:20,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:33" (2/3) ... [2022-11-18 21:04:20,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb5ee26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:20, skipping insertion in model container [2022-11-18 21:04:20,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:20" (3/3) ... [2022-11-18 21:04:20,743 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-11-18 21:04:20,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:04:20,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:04:20,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:04:20,989 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;@23ddeba7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:04:20,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:04:21,017 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) [2022-11-18 21:04:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-18 21:04:21,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:21,060 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] [2022-11-18 21:04:21,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:04:21,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1353474572, now seen corresponding path program 1 times [2022-11-18 21:04:21,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:21,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211636443] [2022-11-18 21:04:21,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:04:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:04:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:04:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:04:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:04:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:04:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:04:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:04:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:04:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:04:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:04:23,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:23,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211636443] [2022-11-18 21:04:23,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211636443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:23,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:23,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:04:23,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499011085] [2022-11-18 21:04:23,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:23,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:04:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:23,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:04:23,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:04:23,292 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) [2022-11-18 21:04:35,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:59,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:03,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:14,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:17,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:17,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:17,502 INFO L93 Difference]: Finished difference Result 16098 states and 26066 transitions. [2022-11-18 21:05:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:05:17,509 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 [2022-11-18 21:05:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:17,642 INFO L225 Difference]: With dead ends: 16098 [2022-11-18 21:05:17,642 INFO L226 Difference]: Without dead ends: 8617 [2022-11-18 21:05:17,764 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 [2022-11-18 21:05:17,768 INFO L413 NwaCegarLoop]: 9738 mSDtfsCounter, 7300 mSDsluCounter, 5554 mSDsCounter, 0 mSdLazyCounter, 5506 mSolverCounterSat, 7007 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7399 SdHoareTripleChecker+Valid, 15292 SdHoareTripleChecker+Invalid, 12517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7007 IncrementalHoareTripleChecker+Valid, 5506 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:17,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7399 Valid, 15292 Invalid, 12517 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7007 Valid, 5506 Invalid, 4 Unknown, 0 Unchecked, 52.7s Time] [2022-11-18 21:05:17,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8617 states. [2022-11-18 21:05:18,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8617 to 7451. [2022-11-18 21:05:18,510 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) [2022-11-18 21:05:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7451 states to 7451 states and 11332 transitions. [2022-11-18 21:05:18,804 INFO L78 Accepts]: Start accepts. Automaton has 7451 states and 11332 transitions. Word has length 173 [2022-11-18 21:05:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:18,805 INFO L495 AbstractCegarLoop]: Abstraction has 7451 states and 11332 transitions. [2022-11-18 21:05:18,806 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) [2022-11-18 21:05:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 7451 states and 11332 transitions. [2022-11-18 21:05:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-18 21:05:18,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:18,826 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] [2022-11-18 21:05:18,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:05:18,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:05:18,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1335738582, now seen corresponding path program 1 times [2022-11-18 21:05:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:18,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305511022] [2022-11-18 21:05:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:05:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:05:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:05:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:05:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:05:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:05:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:05:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:05:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:05:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:05:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:05:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:05:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:05:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:05:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:05:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:05:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:20,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305511022] [2022-11-18 21:05:20,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305511022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:20,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:20,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:20,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969332384] [2022-11-18 21:05:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:20,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:20,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:20,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:20,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:20,833 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) [2022-11-18 21:05:38,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:01,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:03,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:05,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:27,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:29,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:36,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:50,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:13,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:14,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:38,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:45,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:47,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:49,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:52,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:54,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:55,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:55,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:55,613 INFO L93 Difference]: Finished difference Result 23136 states and 36548 transitions. [2022-11-18 21:07:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:07:55,613 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 [2022-11-18 21:07:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:55,765 INFO L225 Difference]: With dead ends: 23136 [2022-11-18 21:07:55,765 INFO L226 Difference]: Without dead ends: 15711 [2022-11-18 21:07:55,812 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 [2022-11-18 21:07:55,813 INFO L413 NwaCegarLoop]: 10914 mSDtfsCounter, 17808 mSDsluCounter, 23982 mSDsCounter, 0 mSdLazyCounter, 18742 mSolverCounterSat, 9312 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18832 SdHoareTripleChecker+Valid, 34896 SdHoareTripleChecker+Invalid, 28066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 9312 IncrementalHoareTripleChecker+Valid, 18742 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:55,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18832 Valid, 34896 Invalid, 28066 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [9312 Valid, 18742 Invalid, 12 Unknown, 0 Unchecked, 152.7s Time] [2022-11-18 21:07:55,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15711 states. [2022-11-18 21:07:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15711 to 13414. [2022-11-18 21:07:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13414 states, 9722 states have (on average 1.435095659329356) internal successors, (13952), 10140 states have internal predecessors, (13952), 3194 states have call successors, (3194), 490 states have call predecessors, (3194), 497 states have return successors, (3221), 3020 states have call predecessors, (3221), 3182 states have call successors, (3221) [2022-11-18 21:07:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13414 states to 13414 states and 20367 transitions. [2022-11-18 21:07:56,997 INFO L78 Accepts]: Start accepts. Automaton has 13414 states and 20367 transitions. Word has length 173 [2022-11-18 21:07:56,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:56,999 INFO L495 AbstractCegarLoop]: Abstraction has 13414 states and 20367 transitions. [2022-11-18 21:07:57,000 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) [2022-11-18 21:07:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 13414 states and 20367 transitions. [2022-11-18 21:07:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-18 21:07:57,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:57,008 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] [2022-11-18 21:07:57,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:07:57,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:07:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2081128830, now seen corresponding path program 1 times [2022-11-18 21:07:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:57,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471773076] [2022-11-18 21:07:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:07:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:07:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:07:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:07:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:07:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:07:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:07:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:07:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:07:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:07:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 21:07:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:07:59,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:59,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471773076] [2022-11-18 21:07:59,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471773076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:59,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:59,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:07:59,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384813942] [2022-11-18 21:07:59,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:59,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:07:59,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:07:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:07:59,013 INFO L87 Difference]: Start difference. First operand 13414 states and 20367 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) [2022-11-18 21:08:15,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:41,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:43,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:54,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:00,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:10,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:37,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:41,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:43,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:43,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:43,349 INFO L93 Difference]: Finished difference Result 17035 states and 27985 transitions. [2022-11-18 21:09:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:09:43,349 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 [2022-11-18 21:09:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:43,461 INFO L225 Difference]: With dead ends: 17035 [2022-11-18 21:09:43,461 INFO L226 Difference]: Without dead ends: 17032 [2022-11-18 21:09:43,480 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 [2022-11-18 21:09:43,481 INFO L413 NwaCegarLoop]: 9457 mSDtfsCounter, 18560 mSDsluCounter, 15173 mSDsCounter, 0 mSdLazyCounter, 13108 mSolverCounterSat, 9244 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20123 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 22359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9244 IncrementalHoareTripleChecker+Valid, 13108 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:43,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20123 Valid, 24630 Invalid, 22359 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9244 Valid, 13108 Invalid, 7 Unknown, 0 Unchecked, 102.7s Time] [2022-11-18 21:09:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17032 states. [2022-11-18 21:09:44,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17032 to 13406. [2022-11-18 21:09:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13406 states, 9720 states have (on average 1.4348765432098765) internal successors, (13947), 10135 states have internal predecessors, (13947), 3192 states have call successors, (3192), 493 states have call predecessors, (3192), 493 states have return successors, (3199), 3017 states have call predecessors, (3199), 3181 states have call successors, (3199) [2022-11-18 21:09:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13406 states to 13406 states and 20338 transitions. [2022-11-18 21:09:44,614 INFO L78 Accepts]: Start accepts. Automaton has 13406 states and 20338 transitions. Word has length 180 [2022-11-18 21:09:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:44,617 INFO L495 AbstractCegarLoop]: Abstraction has 13406 states and 20338 transitions. [2022-11-18 21:09:44,618 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) [2022-11-18 21:09:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 13406 states and 20338 transitions. [2022-11-18 21:09:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-18 21:09:44,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:44,622 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] [2022-11-18 21:09:44,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:09:44,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:44,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash -93322954, now seen corresponding path program 1 times [2022-11-18 21:09:44,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:44,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132979695] [2022-11-18 21:09:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:44,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:09:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:09:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:09:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:09:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:09:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:09:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:09:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:09:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:09:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:09:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 21:09:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:09:46,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:46,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132979695] [2022-11-18 21:09:46,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132979695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:46,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:46,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:09:46,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765798893] [2022-11-18 21:09:46,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:46,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:09:46,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:09:46,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:09:46,082 INFO L87 Difference]: Start difference. First operand 13406 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) [2022-11-18 21:10:00,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:27,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:29,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:47,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:48,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:52,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:54,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:11:55,103 INFO L93 Difference]: Finished difference Result 25328 states and 41022 transitions. [2022-11-18 21:11:55,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:11:55,104 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 [2022-11-18 21:11:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:11:55,269 INFO L225 Difference]: With dead ends: 25328 [2022-11-18 21:11:55,269 INFO L226 Difference]: Without dead ends: 25324 [2022-11-18 21:11:55,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:11:55,293 INFO L413 NwaCegarLoop]: 9951 mSDtfsCounter, 20221 mSDsluCounter, 19759 mSDsCounter, 0 mSdLazyCounter, 17983 mSolverCounterSat, 9328 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21622 SdHoareTripleChecker+Valid, 29710 SdHoareTripleChecker+Invalid, 27318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9328 IncrementalHoareTripleChecker+Valid, 17983 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 126.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:11:55,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21622 Valid, 29710 Invalid, 27318 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9328 Valid, 17983 Invalid, 7 Unknown, 0 Unchecked, 126.6s Time] [2022-11-18 21:11:55,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25324 states. [2022-11-18 21:11:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25324 to 19182. [2022-11-18 21:11:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19182 states, 13897 states have (on average 1.4257033892206952) internal successors, (19813), 14496 states have internal predecessors, (19813), 4443 states have call successors, (4443), 841 states have call predecessors, (4443), 841 states have return successors, (4455), 4198 states have call predecessors, (4455), 4434 states have call successors, (4455) [2022-11-18 21:11:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19182 states to 19182 states and 28711 transitions. [2022-11-18 21:11:56,792 INFO L78 Accepts]: Start accepts. Automaton has 19182 states and 28711 transitions. Word has length 181 [2022-11-18 21:11:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:56,793 INFO L495 AbstractCegarLoop]: Abstraction has 19182 states and 28711 transitions. [2022-11-18 21:11:56,794 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) [2022-11-18 21:11:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 19182 states and 28711 transitions. [2022-11-18 21:11:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-18 21:11:56,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:56,799 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] [2022-11-18 21:11:56,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:11:56,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:11:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1399121925, now seen corresponding path program 1 times [2022-11-18 21:11:56,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:56,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215051076] [2022-11-18 21:11:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:11:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:11:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:11:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:11:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:11:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:11:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:11:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:11:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:11:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:11:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 21:11:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:11:58,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:58,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215051076] [2022-11-18 21:11:58,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215051076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:58,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:58,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:11:58,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949234725] [2022-11-18 21:11:58,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:58,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:11:58,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:58,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:11:58,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:11:58,437 INFO L87 Difference]: Start difference. First operand 19182 states and 28711 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) [2022-11-18 21:12:13,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:35,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:37,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:47,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:52,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:31,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:35,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:13:35,461 INFO L93 Difference]: Finished difference Result 25320 states and 41012 transitions. [2022-11-18 21:13:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:13:35,462 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 [2022-11-18 21:13:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:13:35,649 INFO L225 Difference]: With dead ends: 25320 [2022-11-18 21:13:35,650 INFO L226 Difference]: Without dead ends: 25317 [2022-11-18 21:13:35,675 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 [2022-11-18 21:13:35,677 INFO L413 NwaCegarLoop]: 9506 mSDtfsCounter, 18513 mSDsluCounter, 14709 mSDsCounter, 0 mSdLazyCounter, 12280 mSolverCounterSat, 9195 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20097 SdHoareTripleChecker+Valid, 24215 SdHoareTripleChecker+Invalid, 21480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9195 IncrementalHoareTripleChecker+Valid, 12280 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:13:35,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20097 Valid, 24215 Invalid, 21480 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9195 Valid, 12280 Invalid, 5 Unknown, 0 Unchecked, 94.9s Time] [2022-11-18 21:13:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25317 states. [2022-11-18 21:13:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25317 to 19181. [2022-11-18 21:13:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19181 states, 13897 states have (on average 1.4256314312441534) internal successors, (19812), 14495 states have internal predecessors, (19812), 4442 states have call successors, (4442), 841 states have call predecessors, (4442), 841 states have return successors, (4455), 4198 states have call predecessors, (4455), 4434 states have call successors, (4455) [2022-11-18 21:13:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19181 states to 19181 states and 28709 transitions. [2022-11-18 21:13:37,356 INFO L78 Accepts]: Start accepts. Automaton has 19181 states and 28709 transitions. Word has length 182 [2022-11-18 21:13:37,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:13:37,358 INFO L495 AbstractCegarLoop]: Abstraction has 19181 states and 28709 transitions. [2022-11-18 21:13:37,358 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) [2022-11-18 21:13:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19181 states and 28709 transitions. [2022-11-18 21:13:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-18 21:13:37,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:13:37,362 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] [2022-11-18 21:13:37,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:13:37,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:13:37,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:13:37,363 INFO L85 PathProgramCache]: Analyzing trace with hash 420277785, now seen corresponding path program 1 times [2022-11-18 21:13:37,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:13:37,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931893452] [2022-11-18 21:13:37,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:13:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:13:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:13:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:13:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:13:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:13:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:13:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:13:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:13:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:13:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:13:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 21:13:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 21:13:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 21:13:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-18 21:13:39,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:13:39,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931893452] [2022-11-18 21:13:39,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931893452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:13:39,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:13:39,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:13:39,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959621432] [2022-11-18 21:13:39,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:13:39,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:13:39,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:13:39,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:13:39,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:13:39,073 INFO L87 Difference]: Start difference. First operand 19181 states and 28709 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) [2022-11-18 21:13:59,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:39,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:41,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:15:02,023 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 []