./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa --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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:27:59,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:27:59,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:27:59,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:27:59,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:27:59,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:27:59,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:27:59,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:27:59,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:27:59,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:27:59,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:27:59,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:27:59,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:27:59,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:27:59,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:27:59,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:27:59,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:27:59,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:27:59,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:27:59,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:27:59,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:27:59,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:27:59,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:27:59,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:27:59,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:27:59,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:27:59,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:27:59,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:27:59,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:27:59,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:27:59,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:27:59,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:27:59,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:27:59,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:27:59,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:27:59,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:27:59,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:27:59,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:27:59,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:27:59,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:27:59,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:27:59,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:27:59,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:27:59,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:27:59,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:27:59,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:27:59,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:27:59,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:27:59,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:27:59,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:27:59,965 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:27:59,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:27:59,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:27:59,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:27:59,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:27:59,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:27:59,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:27:59,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:27:59,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:27:59,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:27:59,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:27:59,968 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_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2021-12-07 01:28:00,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:28:00,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:28:00,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:28:00,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:28:00,176 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:28:00,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-07 01:28:00,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/data/5372039ef/5bba2d0acfb3488eb21559231c3c0495/FLAGf629e1d10 [2021-12-07 01:28:00,902 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:28:00,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-07 01:28:00,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/data/5372039ef/5bba2d0acfb3488eb21559231c3c0495/FLAGf629e1d10 [2021-12-07 01:28:01,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/data/5372039ef/5bba2d0acfb3488eb21559231c3c0495 [2021-12-07 01:28:01,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:28:01,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:28:01,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:28:01,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:28:01,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:28:01,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:28:01" (1/1) ... [2021-12-07 01:28:01,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22112bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:01, skipping insertion in model container [2021-12-07 01:28:01,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:28:01" (1/1) ... [2021-12-07 01:28:01,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:28:01,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:28:02,905 WARN L230 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_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-12-07 01:28:05,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:28:05,372 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:28:05,482 WARN L230 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_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-12-07 01:28:05,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:28:06,157 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:28:06,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06 WrapperNode [2021-12-07 01:28:06,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:28:06,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:28:06,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:28:06,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:28:06,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,635 INFO L137 Inliner]: procedures = 597, calls = 7256, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14780 [2021-12-07 01:28:06,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:28:06,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:28:06,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:28:06,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:28:06,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:06,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:07,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:07,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:07,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:28:07,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:28:07,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:28:07,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:28:07,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (1/1) ... [2021-12-07 01:28:07,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:28:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:28:07,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:28:07,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:28:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-07 01:28:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-07 01:28:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-07 01:28:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-07 01:28:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-07 01:28:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-07 01:28:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 01:28:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 01:28:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-07 01:28:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-12-07 01:28:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-12-07 01:28:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-07 01:28:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 01:28:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2021-12-07 01:28:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-07 01:28:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 01:28:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-12-07 01:28:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-07 01:28:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:28:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:28:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-12-07 01:28:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-07 01:28:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:28:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-07 01:28:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 01:28:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-12-07 01:28:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-07 01:28:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-07 01:28:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-07 01:28:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-07 01:28:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-07 01:28:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 01:28:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-12-07 01:28:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 01:28:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-07 01:28:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-07 01:28:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-07 01:28:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-07 01:28:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:28:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-07 01:28:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 01:28:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:28:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:28:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:28:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-07 01:28:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-07 01:28:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 01:28:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 01:28:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:28:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:28:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:28:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-07 01:28:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-12-07 01:28:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-12-07 01:28:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 01:28:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 01:28:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-12-07 01:28:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-12-07 01:28:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-07 01:28:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-07 01:28:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-07 01:28:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-07 01:28:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-07 01:28:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-07 01:28:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:28:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:28:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-12-07 01:28:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-12-07 01:28:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-07 01:28:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-12-07 01:28:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-07 01:28:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-07 01:28:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-07 01:28:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-07 01:28:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-07 01:28:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-07 01:28:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-07 01:28:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-12-07 01:28:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-12-07 01:28:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-07 01:28:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-07 01:28:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-07 01:28:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-07 01:28:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-12-07 01:28:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-12-07 01:28:08,062 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:28:08,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:28:08,133 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:28:27,565 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:28:27,592 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:28:27,592 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-07 01:28:27,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:27 BoogieIcfgContainer [2021-12-07 01:28:27,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:28:27,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:28:27,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:28:27,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:28:27,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:28:01" (1/3) ... [2021-12-07 01:28:27,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e2da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:27, skipping insertion in model container [2021-12-07 01:28:27,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:28:06" (2/3) ... [2021-12-07 01:28:27,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e2da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:27, skipping insertion in model container [2021-12-07 01:28:27,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:27" (3/3) ... [2021-12-07 01:28:27,604 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-07 01:28:27,608 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:28:27,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:28:27,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:28:27,665 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:28:27,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:28:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2021-12-07 01:28:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-07 01:28:27,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:27,759 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:27,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:28:27,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:27,763 INFO L85 PathProgramCache]: Analyzing trace with hash 581054647, now seen corresponding path program 1 times [2021-12-07 01:28:27,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:27,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827384768] [2021-12-07 01:28:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:27,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:28:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:28:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:28:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:28:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:28:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:28:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:28:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:28:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-07 01:28:28,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:28,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827384768] [2021-12-07 01:28:28,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827384768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:28,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:28,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:28:28,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954016969] [2021-12-07 01:28:28,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:28,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:28:28,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:28:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:28,636 INFO L87 Difference]: Start difference. First operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-07 01:28:41,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:43,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:44,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:52,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:55,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:57,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:59,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:01,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:06,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:09,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:13,777 INFO L93 Difference]: Finished difference Result 16305 states and 24620 transitions. [2021-12-07 01:29:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:29:13,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2021-12-07 01:29:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:13,875 INFO L225 Difference]: With dead ends: 16305 [2021-12-07 01:29:13,875 INFO L226 Difference]: Without dead ends: 11351 [2021-12-07 01:29:13,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:29:13,912 INFO L933 BasicCegarLoop]: 7471 mSDtfsCounter, 14059 mSDsluCounter, 10969 mSDsCounter, 0 mSdLazyCounter, 8985 mSolverCounterSat, 8161 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14788 SdHoareTripleChecker+Valid, 18440 SdHoareTripleChecker+Invalid, 17154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8161 IncrementalHoareTripleChecker+Valid, 8985 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:13,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14788 Valid, 18440 Invalid, 17154 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8161 Valid, 8985 Invalid, 8 Unknown, 0 Unchecked, 44.1s Time] [2021-12-07 01:29:13,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11351 states. [2021-12-07 01:29:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11351 to 10018. [2021-12-07 01:29:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10018 states, 7118 states have (on average 1.3728575442540039) internal successors, (9772), 7252 states have internal predecessors, (9772), 2412 states have call successors, (2412), 463 states have call predecessors, (2412), 487 states have return successors, (2557), 2397 states have call predecessors, (2557), 2411 states have call successors, (2557) [2021-12-07 01:29:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10018 states to 10018 states and 14741 transitions. [2021-12-07 01:29:14,478 INFO L78 Accepts]: Start accepts. Automaton has 10018 states and 14741 transitions. Word has length 76 [2021-12-07 01:29:14,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:14,478 INFO L470 AbstractCegarLoop]: Abstraction has 10018 states and 14741 transitions. [2021-12-07 01:29:14,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-07 01:29:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 10018 states and 14741 transitions. [2021-12-07 01:29:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-07 01:29:14,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:14,484 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:29:14,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:29:14,484 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:29:14,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:14,485 INFO L85 PathProgramCache]: Analyzing trace with hash -255162799, now seen corresponding path program 1 times [2021-12-07 01:29:14,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:14,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9365602] [2021-12-07 01:29:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:14,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:29:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:29:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:29:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:29:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:29:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:29:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:29:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:29:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:29:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-07 01:29:15,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:15,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9365602] [2021-12-07 01:29:15,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9365602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:15,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:15,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:29:15,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438538791] [2021-12-07 01:29:15,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:15,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:29:15,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:15,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:29:15,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:29:15,039 INFO L87 Difference]: Start difference. First operand 10018 states and 14741 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:29:32,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:34,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:44,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:46,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:48,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:51,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:53,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:00,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:00,546 INFO L93 Difference]: Finished difference Result 32609 states and 49038 transitions. [2021-12-07 01:30:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:30:00,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2021-12-07 01:30:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:00,682 INFO L225 Difference]: With dead ends: 32609 [2021-12-07 01:30:00,682 INFO L226 Difference]: Without dead ends: 22608 [2021-12-07 01:30:00,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:30:00,733 INFO L933 BasicCegarLoop]: 7901 mSDtfsCounter, 13665 mSDsluCounter, 25152 mSDsCounter, 0 mSdLazyCounter, 14573 mSolverCounterSat, 7840 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14379 SdHoareTripleChecker+Valid, 33053 SdHoareTripleChecker+Invalid, 22420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7840 IncrementalHoareTripleChecker+Valid, 14573 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:00,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14379 Valid, 33053 Invalid, 22420 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7840 Valid, 14573 Invalid, 7 Unknown, 0 Unchecked, 44.3s Time] [2021-12-07 01:30:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22608 states. [2021-12-07 01:30:01,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22608 to 20026. [2021-12-07 01:30:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20026 states, 14219 states have (on average 1.3727406990646318) internal successors, (19519), 14491 states have internal predecessors, (19519), 4816 states have call successors, (4816), 925 states have call predecessors, (4816), 990 states have return successors, (5260), 4799 states have call predecessors, (5260), 4815 states have call successors, (5260) [2021-12-07 01:30:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20026 states to 20026 states and 29595 transitions. [2021-12-07 01:30:01,532 INFO L78 Accepts]: Start accepts. Automaton has 20026 states and 29595 transitions. Word has length 79 [2021-12-07 01:30:01,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:01,533 INFO L470 AbstractCegarLoop]: Abstraction has 20026 states and 29595 transitions. [2021-12-07 01:30:01,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:30:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 20026 states and 29595 transitions. [2021-12-07 01:30:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-07 01:30:01,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:01,579 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:30:01,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:30:01,579 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:30:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:01,580 INFO L85 PathProgramCache]: Analyzing trace with hash -527128406, now seen corresponding path program 1 times [2021-12-07 01:30:01,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:01,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481487138] [2021-12-07 01:30:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:01,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:30:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:30:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:30:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:30:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:30:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:30:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:30:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:30:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:30:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:30:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 01:30:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:30:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:30:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:30:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:30:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:30:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:30:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 01:30:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:30:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:30:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:30:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:30:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:30:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:30:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 01:30:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-07 01:30:02,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:02,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481487138] [2021-12-07 01:30:02,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481487138] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:30:02,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950124145] [2021-12-07 01:30:02,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:02,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:30:02,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:30:02,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:30:02,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:30:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:04,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 9112 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:30:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:30:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-12-07 01:30:04,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:30:04,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950124145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:04,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:30:04,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2021-12-07 01:30:04,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669019497] [2021-12-07 01:30:04,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:04,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:30:04,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:30:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:30:04,435 INFO L87 Difference]: Start difference. First operand 20026 states and 29595 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-07 01:30:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:05,292 INFO L93 Difference]: Finished difference Result 58634 states and 86705 transitions. [2021-12-07 01:30:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:30:05,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 346 [2021-12-07 01:30:05,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:05,459 INFO L225 Difference]: With dead ends: 58634 [2021-12-07 01:30:05,460 INFO L226 Difference]: Without dead ends: 38630 [2021-12-07 01:30:05,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:30:05,570 INFO L933 BasicCegarLoop]: 8229 mSDtfsCounter, 6603 mSDsluCounter, 7064 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6603 SdHoareTripleChecker+Valid, 15293 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:05,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6603 Valid, 15293 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:30:05,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38630 states. [2021-12-07 01:30:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38630 to 38618. [2021-12-07 01:30:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38618 states, 27469 states have (on average 1.3753685973278968) internal successors, (37780), 28007 states have internal predecessors, (37780), 9232 states have call successors, (9232), 1785 states have call predecessors, (9232), 1916 states have return successors, (10086), 9197 states have call predecessors, (10086), 9231 states have call successors, (10086) [2021-12-07 01:30:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38618 states to 38618 states and 57098 transitions. [2021-12-07 01:30:06,839 INFO L78 Accepts]: Start accepts. Automaton has 38618 states and 57098 transitions. Word has length 346 [2021-12-07 01:30:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:06,840 INFO L470 AbstractCegarLoop]: Abstraction has 38618 states and 57098 transitions. [2021-12-07 01:30:06,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-07 01:30:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38618 states and 57098 transitions. [2021-12-07 01:30:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-12-07 01:30:06,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:06,886 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:30:06,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:30:07,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:30:07,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:30:07,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:07,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1536628174, now seen corresponding path program 1 times [2021-12-07 01:30:07,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:07,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53350730] [2021-12-07 01:30:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:07,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:30:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:30:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:30:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:30:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:30:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:30:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:30:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:30:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:30:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:30:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:30:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:30:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:30:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:30:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:30:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 01:30:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:30:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:30:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:30:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:30:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:30:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:30:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 01:30:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-07 01:30:08,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:08,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53350730] [2021-12-07 01:30:08,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53350730] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:30:08,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476909558] [2021-12-07 01:30:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:08,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:30:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:30:08,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:30:08,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:30:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:09,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 9089 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:30:09,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:30:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-12-07 01:30:09,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:30:09,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476909558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:09,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:30:09,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2021-12-07 01:30:09,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973471250] [2021-12-07 01:30:09,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:09,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:30:09,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:09,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:30:09,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:30:09,928 INFO L87 Difference]: Start difference. First operand 38618 states and 57098 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-07 01:30:11,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:30:11,738 INFO L93 Difference]: Finished difference Result 113838 states and 168312 transitions. [2021-12-07 01:30:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:30:11,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 339 [2021-12-07 01:30:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:30:12,104 INFO L225 Difference]: With dead ends: 113838 [2021-12-07 01:30:12,104 INFO L226 Difference]: Without dead ends: 75242 [2021-12-07 01:30:12,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:30:12,253 INFO L933 BasicCegarLoop]: 8582 mSDtfsCounter, 6706 mSDsluCounter, 6964 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 15546 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:30:12,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6706 Valid, 15546 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 01:30:12,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75242 states. [2021-12-07 01:30:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75242 to 75206. [2021-12-07 01:30:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75206 states, 53599 states have (on average 1.3733278605944141) internal successors, (73609), 54683 states have internal predecessors, (73609), 17858 states have call successors, (17858), 3497 states have call predecessors, (17858), 3748 states have return successors, (19467), 17769 states have call predecessors, (19467), 17857 states have call successors, (19467) [2021-12-07 01:30:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75206 states to 75206 states and 110934 transitions. [2021-12-07 01:30:14,715 INFO L78 Accepts]: Start accepts. Automaton has 75206 states and 110934 transitions. Word has length 339 [2021-12-07 01:30:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:30:14,715 INFO L470 AbstractCegarLoop]: Abstraction has 75206 states and 110934 transitions. [2021-12-07 01:30:14,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-07 01:30:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75206 states and 110934 transitions. [2021-12-07 01:30:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-07 01:30:14,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:30:14,759 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:30:14,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:30:14,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:30:14,961 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:30:14,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:30:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2129870740, now seen corresponding path program 1 times [2021-12-07 01:30:14,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:30:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230726737] [2021-12-07 01:30:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:30:14,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:30:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:30:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:30:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:30:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:30:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:30:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:30:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:30:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:30:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:30:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:30:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:30:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-07 01:30:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:30:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:30:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:30:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:30:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:30:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:30:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:30:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:30:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:30:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:30:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:30:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:30:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:30:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:30:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:30:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:30:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-07 01:30:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 01:30:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:30:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-07 01:30:15,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:30:15,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230726737] [2021-12-07 01:30:15,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230726737] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:30:15,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:30:15,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:30:15,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304057042] [2021-12-07 01:30:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:30:15,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:30:15,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:30:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:30:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:30:15,815 INFO L87 Difference]: Start difference. First operand 75206 states and 110934 transitions. Second operand has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-07 01:30:47,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:49,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:51,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:55,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:00,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:02,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:05,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:07,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:12,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:15,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:17,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:20,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:22,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:31,717 INFO L93 Difference]: Finished difference Result 239308 states and 359205 transitions. [2021-12-07 01:31:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:31:31,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 278 [2021-12-07 01:31:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:32,481 INFO L225 Difference]: With dead ends: 239308 [2021-12-07 01:31:32,481 INFO L226 Difference]: Without dead ends: 164124 [2021-12-07 01:31:32,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:31:32,696 INFO L933 BasicCegarLoop]: 8679 mSDtfsCounter, 16338 mSDsluCounter, 13250 mSDsCounter, 0 mSdLazyCounter, 15716 mSolverCounterSat, 10998 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17064 SdHoareTripleChecker+Valid, 21929 SdHoareTripleChecker+Invalid, 26723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10998 IncrementalHoareTripleChecker+Valid, 15716 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:32,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17064 Valid, 21929 Invalid, 26723 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10998 Valid, 15716 Invalid, 9 Unknown, 0 Unchecked, 70.5s Time] [2021-12-07 01:31:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164124 states. [2021-12-07 01:31:37,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164124 to 143946. [2021-12-07 01:31:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143946 states, 102695 states have (on average 1.3736890793125274) internal successors, (141071), 104755 states have internal predecessors, (141071), 34046 states have call successors, (34046), 6737 states have call predecessors, (34046), 7204 states have return successors, (36879), 33843 states have call predecessors, (36879), 34045 states have call successors, (36879) [2021-12-07 01:31:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143946 states to 143946 states and 211996 transitions. [2021-12-07 01:31:38,137 INFO L78 Accepts]: Start accepts. Automaton has 143946 states and 211996 transitions. Word has length 278 [2021-12-07 01:31:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:38,138 INFO L470 AbstractCegarLoop]: Abstraction has 143946 states and 211996 transitions. [2021-12-07 01:31:38,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-07 01:31:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 143946 states and 211996 transitions. [2021-12-07 01:31:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-12-07 01:31:38,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:38,216 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:38,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:31:38,216 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:38,217 INFO L85 PathProgramCache]: Analyzing trace with hash -286552031, now seen corresponding path program 1 times [2021-12-07 01:31:38,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:38,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736143547] [2021-12-07 01:31:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:38,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:31:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:31:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:31:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:31:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:31:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:31:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:31:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:31:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:31:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:31:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:31:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:31:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:31:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:31:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:31:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 01:31:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:31:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:31:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:31:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:31:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 01:31:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:31:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:31:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:31:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:31:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:31:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:31:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:31:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:31:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:31:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 01:31:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:31:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:31:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:31:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:31:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:31:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:31:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:31:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:31:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 01:31:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-07 01:31:39,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:39,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736143547] [2021-12-07 01:31:39,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736143547] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:31:39,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776839526] [2021-12-07 01:31:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:39,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:31:39,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:31:39,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:31:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:40,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 9421 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:31:40,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:31:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-12-07 01:31:41,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:31:41,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776839526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:41,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:31:41,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2021-12-07 01:31:41,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625360356] [2021-12-07 01:31:41,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:41,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:31:41,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:41,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:31:41,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:31:41,087 INFO L87 Difference]: Start difference. First operand 143946 states and 211996 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-07 01:31:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:47,278 INFO L93 Difference]: Finished difference Result 359606 states and 529672 transitions. [2021-12-07 01:31:47,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:31:47,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 412 [2021-12-07 01:31:47,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:48,247 INFO L225 Difference]: With dead ends: 359606 [2021-12-07 01:31:48,248 INFO L226 Difference]: Without dead ends: 215682 [2021-12-07 01:31:48,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:31:48,831 INFO L933 BasicCegarLoop]: 8857 mSDtfsCounter, 6940 mSDsluCounter, 6744 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6940 SdHoareTripleChecker+Valid, 15601 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:48,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6940 Valid, 15601 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:31:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215682 states. [2021-12-07 01:31:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215682 to 215658. [2021-12-07 01:31:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215658 states, 153995 states have (on average 1.3739991558167473) internal successors, (211589), 157103 states have internal predecessors, (211589), 50834 states have call successors, (50834), 10097 states have call predecessors, (50834), 10828 states have return successors, (55149), 50559 states have call predecessors, (55149), 50833 states have call successors, (55149) [2021-12-07 01:31:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215658 states to 215658 states and 317572 transitions. [2021-12-07 01:31:57,265 INFO L78 Accepts]: Start accepts. Automaton has 215658 states and 317572 transitions. Word has length 412 [2021-12-07 01:31:57,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:57,266 INFO L470 AbstractCegarLoop]: Abstraction has 215658 states and 317572 transitions. [2021-12-07 01:31:57,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-07 01:31:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 215658 states and 317572 transitions. [2021-12-07 01:31:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-12-07 01:31:57,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:57,572 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:57,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:31:57,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-07 01:31:57,774 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:57,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:57,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1825791777, now seen corresponding path program 1 times [2021-12-07 01:31:57,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:57,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232745286] [2021-12-07 01:31:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:57,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:31:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:31:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:31:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:31:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:31:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:31:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:31:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:31:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:31:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:31:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:31:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 01:31:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:31:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:31:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:31:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:31:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:31:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:31:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-07 01:31:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-07 01:31:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:31:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 01:31:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-07 01:31:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:31:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 01:31:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:31:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:31:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:31:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:31:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:31:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:31:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-07 01:31:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:31:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:31:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:31:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:31:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:31:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:31:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:31:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 01:31:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-07 01:31:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2021-12-07 01:31:58,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:58,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232745286] [2021-12-07 01:31:58,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232745286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:58,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:58,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:31:58,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963658448] [2021-12-07 01:31:58,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:58,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:31:58,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:31:58,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:31:58,420 INFO L87 Difference]: Start difference. First operand 215658 states and 317572 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-07 01:32:28,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:30,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:33,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:35,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:38,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:41,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:43,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:46,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:48,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:51,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:00,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:03,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:05,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:10,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:20,219 INFO L93 Difference]: Finished difference Result 612907 states and 910559 transitions. [2021-12-07 01:33:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:33:20,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 357 [2021-12-07 01:33:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:22,217 INFO L225 Difference]: With dead ends: 612907 [2021-12-07 01:33:22,217 INFO L226 Difference]: Without dead ends: 397271 [2021-12-07 01:33:22,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:33:22,918 INFO L933 BasicCegarLoop]: 9611 mSDtfsCounter, 9164 mSDsluCounter, 15387 mSDsCounter, 0 mSdLazyCounter, 13304 mSolverCounterSat, 5319 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9995 SdHoareTripleChecker+Valid, 24998 SdHoareTripleChecker+Invalid, 18634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5319 IncrementalHoareTripleChecker+Valid, 13304 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:22,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9995 Valid, 24998 Invalid, 18634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5319 Valid, 13304 Invalid, 11 Unknown, 0 Unchecked, 69.3s Time] [2021-12-07 01:33:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397271 states. [2021-12-07 01:33:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397271 to 350807. [2021-12-07 01:33:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350807 states, 251741 states have (on average 1.3690261022241113) internal successors, (344640), 256821 states have internal predecessors, (344640), 80203 states have call successors, (80203), 17431 states have call predecessors, (80203), 18862 states have return successors, (87400), 80006 states have call predecessors, (87400), 80202 states have call successors, (87400) [2021-12-07 01:33:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350807 states to 350807 states and 512243 transitions. [2021-12-07 01:33:37,160 INFO L78 Accepts]: Start accepts. Automaton has 350807 states and 512243 transitions. Word has length 357 [2021-12-07 01:33:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:37,160 INFO L470 AbstractCegarLoop]: Abstraction has 350807 states and 512243 transitions. [2021-12-07 01:33:37,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-07 01:33:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 350807 states and 512243 transitions. [2021-12-07 01:33:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-07 01:33:37,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:37,536 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:37,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:33:37,537 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:37,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1199620282, now seen corresponding path program 1 times [2021-12-07 01:33:37,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:37,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571276724] [2021-12-07 01:33:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:37,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:33:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:33:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:33:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:33:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:33:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:33:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:33:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:33:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:33:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:33:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:33:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:33:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:33:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:33:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:33:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 01:33:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 01:33:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:33:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:33:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:33:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:33:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:33:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:33:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:33:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:33:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:33:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:33:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:33:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:33:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:33:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-07 01:33:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 01:33:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-12-07 01:33:38,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:38,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571276724] [2021-12-07 01:33:38,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571276724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:38,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:38,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:33:38,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722247850] [2021-12-07 01:33:38,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:38,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:33:38,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:38,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:33:38,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:33:38,163 INFO L87 Difference]: Start difference. First operand 350807 states and 512243 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-07 01:34:21,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:24,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:26,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:41,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:43,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:49,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:55,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:58,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:01,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:04,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:35:22,539 INFO L93 Difference]: Finished difference Result 951609 states and 1414227 transitions. [2021-12-07 01:35:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:35:22,539 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 330 [2021-12-07 01:35:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:35:25,891 INFO L225 Difference]: With dead ends: 951609 [2021-12-07 01:35:25,891 INFO L226 Difference]: Without dead ends: 600835 [2021-12-07 01:35:27,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:35:27,638 INFO L933 BasicCegarLoop]: 11228 mSDtfsCounter, 11334 mSDsluCounter, 27224 mSDsCounter, 0 mSdLazyCounter, 28287 mSolverCounterSat, 6599 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12069 SdHoareTripleChecker+Valid, 38452 SdHoareTripleChecker+Invalid, 34892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6599 IncrementalHoareTripleChecker+Valid, 28287 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:35:27,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12069 Valid, 38452 Invalid, 34892 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6599 Valid, 28287 Invalid, 6 Unknown, 0 Unchecked, 83.1s Time] [2021-12-07 01:35:28,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600835 states. [2021-12-07 01:35:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600835 to 525433. [2021-12-07 01:35:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525433 states, 376995 states have (on average 1.367880210612873) internal successors, (515684), 384555 states have internal predecessors, (515684), 120071 states have call successors, (120071), 26223 states have call predecessors, (120071), 28366 states have return successors, (130730), 119802 states have call predecessors, (130730), 120070 states have call successors, (130730) [2021-12-07 01:35:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525433 states to 525433 states and 766485 transitions. [2021-12-07 01:35:50,385 INFO L78 Accepts]: Start accepts. Automaton has 525433 states and 766485 transitions. Word has length 330 [2021-12-07 01:35:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:35:50,385 INFO L470 AbstractCegarLoop]: Abstraction has 525433 states and 766485 transitions. [2021-12-07 01:35:50,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-07 01:35:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 525433 states and 766485 transitions. [2021-12-07 01:35:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-07 01:35:50,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:35:50,873 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:35:50,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:35:50,874 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:35:50,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:35:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1292137795, now seen corresponding path program 1 times [2021-12-07 01:35:50,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:35:50,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917634933] [2021-12-07 01:35:50,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:35:50,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:35:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:35:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:35:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:35:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:35:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:35:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:35:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:35:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:35:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:35:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:35:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:35:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:35:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:35:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:35:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:35:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:35:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 01:35:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-07 01:35:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:35:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:35:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:35:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:35:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:35:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:35:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:35:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:35:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:35:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:35:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:35:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:35:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:35:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:35:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:35:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:35:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:35:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:35:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:35:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-07 01:35:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-07 01:35:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-07 01:35:52,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:35:52,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917634933] [2021-12-07 01:35:52,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917634933] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:35:52,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299223353] [2021-12-07 01:35:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:35:52,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:35:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:35:52,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:35:52,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:35:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:35:53,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 9109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:35:53,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:35:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-12-07 01:35:54,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:35:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-07 01:35:56,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299223353] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 01:35:56,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:35:56,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14, 6] total 19 [2021-12-07 01:35:56,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361425147] [2021-12-07 01:35:56,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:35:56,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:35:56,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:35:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:35:56,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:35:56,100 INFO L87 Difference]: Start difference. First operand 525433 states and 766485 transitions. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 5 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-07 01:36:21,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:23,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:26,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:29,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:31,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:35,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:40,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:42,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:20,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:37:20,316 INFO L93 Difference]: Finished difference Result 1383711 states and 2036079 transitions. [2021-12-07 01:37:20,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:37:20,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 5 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 332 [2021-12-07 01:37:20,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:37:25,080 INFO L225 Difference]: With dead ends: 1383711 [2021-12-07 01:37:25,080 INFO L226 Difference]: Without dead ends: 856815 [2021-12-07 01:37:27,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 737 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:37:27,184 INFO L933 BasicCegarLoop]: 8635 mSDtfsCounter, 16381 mSDsluCounter, 9552 mSDsCounter, 0 mSdLazyCounter, 17494 mSolverCounterSat, 3728 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17448 SdHoareTripleChecker+Valid, 18187 SdHoareTripleChecker+Invalid, 21230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3728 IncrementalHoareTripleChecker+Valid, 17494 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:37:27,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17448 Valid, 18187 Invalid, 21230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3728 Valid, 17494 Invalid, 8 Unknown, 0 Unchecked, 53.7s Time] [2021-12-07 01:37:27,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856815 states. [2021-12-07 01:37:56,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856815 to 829087. [2021-12-07 01:37:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829087 states, 595659 states have (on average 1.3678665142304574) internal successors, (814782), 608357 states have internal predecessors, (814782), 190701 states have call successors, (190701), 39333 states have call predecessors, (190701), 42726 states have return successors, (207003), 189972 states have call predecessors, (207003), 190700 states have call successors, (207003) [2021-12-07 01:38:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829087 states to 829087 states and 1212486 transitions. [2021-12-07 01:38:02,521 INFO L78 Accepts]: Start accepts. Automaton has 829087 states and 1212486 transitions. Word has length 332 [2021-12-07 01:38:02,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:38:02,522 INFO L470 AbstractCegarLoop]: Abstraction has 829087 states and 1212486 transitions. [2021-12-07 01:38:02,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 5 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-07 01:38:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 829087 states and 1212486 transitions. [2021-12-07 01:38:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-12-07 01:38:03,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:38:03,278 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:03,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:38:03,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb83bedf-5ac5-44fe-b2f3-aa2164b64d32/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:03,480 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:03,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:03,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2140506852, now seen corresponding path program 1 times [2021-12-07 01:38:03,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:03,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463714478] [2021-12-07 01:38:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:03,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:38:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:38:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:38:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:38:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:38:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:38:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:38:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:38:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:38:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:38:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:38:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:38:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:38:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:38:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:38:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-07 01:38:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 01:38:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:38:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:38:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 01:38:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-07 01:38:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:38:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 01:38:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-07 01:38:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-07 01:38:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 01:38:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 01:38:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-07 01:38:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 01:38:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 01:38:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:38:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-07 01:38:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-07 01:38:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-07 01:38:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:38:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:38:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:38:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:38:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:38:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-07 01:38:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-07 01:38:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:38:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 01:38:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:38:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:38:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:38:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-07 01:38:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 01:38:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2021-12-07 01:38:04,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:04,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463714478] [2021-12-07 01:38:04,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463714478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:04,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:04,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:38:04,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727150765] [2021-12-07 01:38:04,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:04,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:38:04,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:04,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:38:04,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:38:04,467 INFO L87 Difference]: Start difference. First operand 829087 states and 1212486 transitions. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (51), 6 states have call predecessors, (51), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-07 01:38:33,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:36,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:44,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:47,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:49,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []