./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc --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 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:40:36,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:40:36,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:40:36,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:40:36,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:40:36,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:40:36,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:40:36,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:40:36,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:40:36,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:40:36,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:40:36,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:40:36,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:40:36,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:40:36,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:40:36,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:40:36,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:40:36,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:40:36,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:40:36,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:40:36,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:40:36,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:40:36,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:40:36,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:40:36,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:40:36,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:40:36,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:40:36,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:40:36,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:40:36,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:40:36,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:40:36,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:40:36,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:40:36,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:40:36,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:40:36,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:40:36,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:40:36,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:40:36,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:40:36,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:40:36,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:40:36,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:40:36,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:40:36,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:40:36,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:40:36,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:40:36,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:40:36,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:40:36,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:40:36,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:40:36,980 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:40:36,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:40:36,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:40:36,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:40:36,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:40:36,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:40:36,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:40:36,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:40:36,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:40:36,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:40:36,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:40:36,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:40:36,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:40:36,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:36,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:40:36,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:40:36,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:40:36,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:40:36,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:40:36,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:40:36,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:40:36,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:40:36,986 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_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2022-11-02 20:40:37,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:40:37,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:40:37,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:40:37,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:40:37,278 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:40:37,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-02 20:40:37,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/data/99b6487ca/e3a8fcfa18794ca0afe1435a51911934/FLAGd17e45133 [2022-11-02 20:40:38,336 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:40:38,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-02 20:40:38,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/data/99b6487ca/e3a8fcfa18794ca0afe1435a51911934/FLAGd17e45133 [2022-11-02 20:40:38,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/data/99b6487ca/e3a8fcfa18794ca0afe1435a51911934 [2022-11-02 20:40:38,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:40:38,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:40:38,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:38,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:40:38,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:40:38,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:38" (1/1) ... [2022-11-02 20:40:38,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afcf6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:38, skipping insertion in model container [2022-11-02 20:40:38,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:38" (1/1) ... [2022-11-02 20:40:38,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:40:38,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:40:43,757 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_5f28d4e0-7b1f-4283-acbf-a92bcb114857/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-11-02 20:40:43,760 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_5f28d4e0-7b1f-4283-acbf-a92bcb114857/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-11-02 20:40:43,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:43,877 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:40:44,361 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_5f28d4e0-7b1f-4283-acbf-a92bcb114857/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-11-02 20:40:44,361 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_5f28d4e0-7b1f-4283-acbf-a92bcb114857/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-11-02 20:40:44,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:44,786 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:40:44,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44 WrapperNode [2022-11-02 20:40:44,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:44,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:44,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:40:44,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:40:44,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:44,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,314 INFO L138 Inliner]: procedures = 661, calls = 4743, calls flagged for inlining = 357, calls inlined = 344, statements flattened = 10404 [2022-11-02 20:40:45,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:45,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:40:45,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:40:45,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:40:45,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,816 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:40:45,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:40:45,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:40:45,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:40:45,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (1/1) ... [2022-11-02 20:40:45,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:45,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:40:45,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f28d4e0-7b1f-4283-acbf-a92bcb114857/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:40:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:40:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:40:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-02 20:40:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-02 20:40:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2022-11-02 20:40:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2022-11-02 20:40:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:40:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:40:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2022-11-02 20:40:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2022-11-02 20:40:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:40:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:40:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:40:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:40:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2022-11-02 20:40:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2022-11-02 20:40:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2022-11-02 20:40:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2022-11-02 20:40:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2022-11-02 20:40:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2022-11-02 20:40:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-11-02 20:40:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-11-02 20:40:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2022-11-02 20:40:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2022-11-02 20:40:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2022-11-02 20:40:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2022-11-02 20:40:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:40:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:40:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-11-02 20:40:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-11-02 20:40:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-02 20:40:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-02 20:40:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2022-11-02 20:40:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2022-11-02 20:40:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2022-11-02 20:40:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2022-11-02 20:40:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:40:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:40:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:40:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:40:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:40:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:40:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:40:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:40:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2022-11-02 20:40:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2022-11-02 20:40:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:40:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:40:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:40:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:40:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:40:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:40:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2022-11-02 20:40:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2022-11-02 20:40:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:40:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:40:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:40:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-02 20:40:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-02 20:40:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-02 20:40:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-02 20:40:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2022-11-02 20:40:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2022-11-02 20:40:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2022-11-02 20:40:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2022-11-02 20:40:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2022-11-02 20:40:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2022-11-02 20:40:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2022-11-02 20:40:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2022-11-02 20:40:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:40:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:40:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2022-11-02 20:40:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2022-11-02 20:40:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2022-11-02 20:40:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2022-11-02 20:40:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2022-11-02 20:40:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2022-11-02 20:40:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2022-11-02 20:40:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2022-11-02 20:40:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:40:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2022-11-02 20:40:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2022-11-02 20:40:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:40:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:40:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:40:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2022-11-02 20:40:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2022-11-02 20:40:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:40:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:40:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2022-11-02 20:40:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2022-11-02 20:40:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2022-11-02 20:40:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2022-11-02 20:40:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:40:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:40:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:40:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2022-11-02 20:40:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2022-11-02 20:40:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:40:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:40:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:40:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:40:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2022-11-02 20:40:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2022-11-02 20:40:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:40:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:40:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-02 20:40:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-02 20:40:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:40:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:40:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:40:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:40:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2022-11-02 20:40:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2022-11-02 20:40:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-02 20:40:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-02 20:40:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2022-11-02 20:40:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2022-11-02 20:40:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:40:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:40:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:40:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:40:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:40:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:40:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2022-11-02 20:40:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2022-11-02 20:40:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-02 20:40:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-02 20:40:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:40:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:40:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:40:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:40:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:40:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:40:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:40:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2022-11-02 20:40:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2022-11-02 20:40:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2022-11-02 20:40:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2022-11-02 20:40:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:40:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:40:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:40:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:40:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:40:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:40:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-02 20:40:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-02 20:40:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2022-11-02 20:40:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2022-11-02 20:40:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2022-11-02 20:40:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2022-11-02 20:40:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:40:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:40:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2022-11-02 20:40:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2022-11-02 20:40:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:40:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:40:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-02 20:40:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-02 20:40:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-02 20:40:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-02 20:40:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2022-11-02 20:40:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2022-11-02 20:40:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-02 20:40:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-02 20:40:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:40:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:40:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:40:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:40:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2022-11-02 20:40:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2022-11-02 20:40:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2022-11-02 20:40:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2022-11-02 20:40:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2022-11-02 20:40:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2022-11-02 20:40:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:40:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:40:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:40:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:40:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2022-11-02 20:40:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2022-11-02 20:40:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-11-02 20:40:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-11-02 20:40:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2022-11-02 20:40:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2022-11-02 20:40:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2022-11-02 20:40:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2022-11-02 20:40:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2022-11-02 20:40:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2022-11-02 20:40:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2022-11-02 20:40:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2022-11-02 20:40:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2022-11-02 20:40:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2022-11-02 20:40:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:40:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:40:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2022-11-02 20:40:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2022-11-02 20:40:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:40:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:40:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2022-11-02 20:40:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2022-11-02 20:40:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:40:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:40:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-02 20:40:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-02 20:40:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2022-11-02 20:40:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2022-11-02 20:40:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2022-11-02 20:40:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2022-11-02 20:40:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2022-11-02 20:40:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2022-11-02 20:40:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:40:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:40:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2022-11-02 20:40:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2022-11-02 20:40:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:40:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:40:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 20:40:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 20:40:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2022-11-02 20:40:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2022-11-02 20:40:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2022-11-02 20:40:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2022-11-02 20:40:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:40:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:40:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:40:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:40:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:40:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:40:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:40:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2022-11-02 20:40:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2022-11-02 20:40:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:40:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2022-11-02 20:40:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2022-11-02 20:40:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:40:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:40:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2022-11-02 20:40:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2022-11-02 20:40:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 20:40:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 20:40:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2022-11-02 20:40:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2022-11-02 20:40:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-11-02 20:40:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-11-02 20:40:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:40:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2022-11-02 20:40:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2022-11-02 20:40:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:40:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:40:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:40:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:40:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:40:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:40:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:40:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:40:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:40:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:40:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2022-11-02 20:40:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2022-11-02 20:40:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:40:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:40:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2022-11-02 20:40:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2022-11-02 20:40:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-11-02 20:40:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-11-02 20:40:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-11-02 20:40:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-11-02 20:40:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2022-11-02 20:40:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2022-11-02 20:40:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:40:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:40:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2022-11-02 20:40:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2022-11-02 20:40:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2022-11-02 20:40:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2022-11-02 20:40:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:40:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:40:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2022-11-02 20:40:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2022-11-02 20:40:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 20:40:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 20:40:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2022-11-02 20:40:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2022-11-02 20:40:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2022-11-02 20:40:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2022-11-02 20:40:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2022-11-02 20:40:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2022-11-02 20:40:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-02 20:40:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-02 20:40:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:40:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:40:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:40:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2022-11-02 20:40:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2022-11-02 20:40:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:40:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:40:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2022-11-02 20:40:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2022-11-02 20:40:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2022-11-02 20:40:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2022-11-02 20:40:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2022-11-02 20:40:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2022-11-02 20:40:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2022-11-02 20:40:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2022-11-02 20:40:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2022-11-02 20:40:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2022-11-02 20:40:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2022-11-02 20:40:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2022-11-02 20:40:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:40:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:40:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2022-11-02 20:40:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2022-11-02 20:40:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2022-11-02 20:40:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2022-11-02 20:40:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2022-11-02 20:40:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2022-11-02 20:40:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2022-11-02 20:40:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2022-11-02 20:40:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2022-11-02 20:40:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2022-11-02 20:40:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2022-11-02 20:40:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2022-11-02 20:40:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-02 20:40:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-02 20:40:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2022-11-02 20:40:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2022-11-02 20:40:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2022-11-02 20:40:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2022-11-02 20:40:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2022-11-02 20:40:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2022-11-02 20:40:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2022-11-02 20:40:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2022-11-02 20:40:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:40:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:40:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:40:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:40:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2022-11-02 20:40:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2022-11-02 20:40:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2022-11-02 20:40:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2022-11-02 20:40:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2022-11-02 20:40:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2022-11-02 20:40:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-02 20:40:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-02 20:40:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:40:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:40:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2022-11-02 20:40:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2022-11-02 20:40:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:40:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:40:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:40:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2022-11-02 20:40:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2022-11-02 20:40:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 20:40:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 20:40:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2022-11-02 20:40:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2022-11-02 20:40:47,628 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:40:47,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:40:52,388 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:41:10,095 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:41:10,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:10,332 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:10,332 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 20:41:10,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:10 BoogieIcfgContainer [2022-11-02 20:41:10,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:10,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:10,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:10,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:10,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:40:38" (1/3) ... [2022-11-02 20:41:10,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5635125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:10, skipping insertion in model container [2022-11-02 20:41:10,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:44" (2/3) ... [2022-11-02 20:41:10,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5635125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:10, skipping insertion in model container [2022-11-02 20:41:10,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:10" (3/3) ... [2022-11-02 20:41:10,349 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-02 20:41:10,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:10,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:41:10,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:10,487 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a253671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:10,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:41:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2022-11-02 20:41:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-02 20:41:10,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:10,579 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:10,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:10,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:10,588 INFO L85 PathProgramCache]: Analyzing trace with hash -713587604, now seen corresponding path program 1 times [2022-11-02 20:41:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:10,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902780150] [2022-11-02 20:41:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:10,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:41:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-02 20:41:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 20:41:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:41:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-02 20:41:12,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:12,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902780150] [2022-11-02 20:41:12,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902780150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:12,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:12,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:12,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820332135] [2022-11-02 20:41:12,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:12,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:12,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:12,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:12,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:12,344 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:41:14,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:17,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:20,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:24,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:32,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:32,582 INFO L93 Difference]: Finished difference Result 9097 states and 12773 transitions. [2022-11-02 20:41:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 276 [2022-11-02 20:41:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:32,643 INFO L225 Difference]: With dead ends: 9097 [2022-11-02 20:41:32,643 INFO L226 Difference]: Without dead ends: 5878 [2022-11-02 20:41:32,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:32,665 INFO L413 NwaCegarLoop]: 4550 mSDtfsCounter, 4929 mSDsluCounter, 4511 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 2179 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 9061 SdHoareTripleChecker+Invalid, 5468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2179 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:32,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5466 Valid, 9061 Invalid, 5468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2179 Valid, 3286 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2022-11-02 20:41:32,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-11-02 20:41:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5573. [2022-11-02 20:41:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 3941 states have (on average 1.2852068003044912) internal successors, (5065), 4059 states have internal predecessors, (5065), 1302 states have call successors, (1302), 326 states have call predecessors, (1302), 329 states have return successors, (1310), 1275 states have call predecessors, (1310), 1302 states have call successors, (1310) [2022-11-02 20:41:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 7677 transitions. [2022-11-02 20:41:33,080 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 7677 transitions. Word has length 276 [2022-11-02 20:41:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:33,081 INFO L495 AbstractCegarLoop]: Abstraction has 5573 states and 7677 transitions. [2022-11-02 20:41:33,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:41:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 7677 transitions. [2022-11-02 20:41:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-02 20:41:33,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:33,094 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:33,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:33,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:33,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:33,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2004072259, now seen corresponding path program 1 times [2022-11-02 20:41:33,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:33,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895558219] [2022-11-02 20:41:33,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:33,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:41:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-02 20:41:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:41:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:41:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-02 20:41:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:34,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895558219] [2022-11-02 20:41:34,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895558219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:34,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:34,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235978202] [2022-11-02 20:41:34,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:34,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:34,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:34,312 INFO L87 Difference]: Start difference. First operand 5573 states and 7677 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:41:37,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:39,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:41,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:46,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:49,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:55,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:00,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:00,668 INFO L93 Difference]: Finished difference Result 15524 states and 21384 transitions. [2022-11-02 20:42:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:00,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 285 [2022-11-02 20:42:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:00,737 INFO L225 Difference]: With dead ends: 15524 [2022-11-02 20:42:00,738 INFO L226 Difference]: Without dead ends: 9994 [2022-11-02 20:42:00,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:00,771 INFO L413 NwaCegarLoop]: 5494 mSDtfsCounter, 4507 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 3170 mSolverCounterSat, 1777 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 10540 SdHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 3170 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:00,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5055 Valid, 10540 Invalid, 4953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1777 Valid, 3170 Invalid, 6 Unknown, 0 Unchecked, 25.6s Time] [2022-11-02 20:42:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2022-11-02 20:42:01,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9458. [2022-11-02 20:42:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9458 states, 6700 states have (on average 1.2829850746268656) internal successors, (8596), 6893 states have internal predecessors, (8596), 2160 states have call successors, (2160), 594 states have call predecessors, (2160), 597 states have return successors, (2168), 2123 states have call predecessors, (2168), 2160 states have call successors, (2168) [2022-11-02 20:42:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9458 states to 9458 states and 12924 transitions. [2022-11-02 20:42:01,303 INFO L78 Accepts]: Start accepts. Automaton has 9458 states and 12924 transitions. Word has length 285 [2022-11-02 20:42:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 9458 states and 12924 transitions. [2022-11-02 20:42:01,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:42:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9458 states and 12924 transitions. [2022-11-02 20:42:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-02 20:42:01,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:01,313 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-11-02 20:42:01,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:42:01,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:42:01,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:01,314 INFO L85 PathProgramCache]: Analyzing trace with hash -359255652, now seen corresponding path program 1 times [2022-11-02 20:42:01,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:01,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211015348] [2022-11-02 20:42:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:42:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:42:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:42:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:42:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:42:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:42:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:42:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:42:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:42:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:42:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:42:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:42:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:42:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:42:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:42:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:42:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:42:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:42:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:42:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:42:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 20:42:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:42:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:42:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-02 20:42:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 20:42:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-02 20:42:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2022-11-02 20:42:02,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:02,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211015348] [2022-11-02 20:42:02,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211015348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:02,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:02,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:42:02,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595686945] [2022-11-02 20:42:02,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:02,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:42:02,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:02,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:42:02,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:42:02,346 INFO L87 Difference]: Start difference. First operand 9458 states and 12924 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-02 20:42:05,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:07,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:09,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:11,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:14,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:17,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:23,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:27,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:29,882 INFO L93 Difference]: Finished difference Result 27813 states and 38147 transitions. [2022-11-02 20:42:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 304 [2022-11-02 20:42:29,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:29,980 INFO L225 Difference]: With dead ends: 27813 [2022-11-02 20:42:29,981 INFO L226 Difference]: Without dead ends: 18398 [2022-11-02 20:42:30,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:30,019 INFO L413 NwaCegarLoop]: 5716 mSDtfsCounter, 5176 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 3269 mSolverCounterSat, 2022 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5816 SdHoareTripleChecker+Valid, 10728 SdHoareTripleChecker+Invalid, 5296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2022 IncrementalHoareTripleChecker+Valid, 3269 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:30,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5816 Valid, 10728 Invalid, 5296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2022 Valid, 3269 Invalid, 5 Unknown, 0 Unchecked, 26.7s Time] [2022-11-02 20:42:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18398 states. [2022-11-02 20:42:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18398 to 17414. [2022-11-02 20:42:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17414 states, 12331 states have (on average 1.281242397210283) internal successors, (15799), 12687 states have internal predecessors, (15799), 3971 states have call successors, (3971), 1101 states have call predecessors, (3971), 1111 states have return successors, (4019), 3897 states have call predecessors, (4019), 3971 states have call successors, (4019) [2022-11-02 20:42:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17414 states to 17414 states and 23789 transitions. [2022-11-02 20:42:31,009 INFO L78 Accepts]: Start accepts. Automaton has 17414 states and 23789 transitions. Word has length 304 [2022-11-02 20:42:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:31,013 INFO L495 AbstractCegarLoop]: Abstraction has 17414 states and 23789 transitions. [2022-11-02 20:42:31,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-02 20:42:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 17414 states and 23789 transitions. [2022-11-02 20:42:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-02 20:42:31,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:31,028 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2022-11-02 20:42:31,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:42:31,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:42:31,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:31,029 INFO L85 PathProgramCache]: Analyzing trace with hash 758625428, now seen corresponding path program 1 times [2022-11-02 20:42:31,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:31,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95705974] [2022-11-02 20:42:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:42:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:42:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:42:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:42:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:42:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:42:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:42:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:42:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:42:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:42:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:42:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:42:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:42:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:42:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:42:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:42:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:42:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:42:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:42:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:42:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 20:42:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-02 20:42:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:42:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:42:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:42:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:42:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-02 20:42:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:42:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-11-02 20:42:32,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:32,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95705974] [2022-11-02 20:42:32,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95705974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:32,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:32,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:42:32,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422089935] [2022-11-02 20:42:32,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:32,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:42:32,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:32,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:42:32,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:42:32,020 INFO L87 Difference]: Start difference. First operand 17414 states and 23789 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-02 20:42:34,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:36,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:38,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:40,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:42,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:44,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:53,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:55,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:58,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:58,290 INFO L93 Difference]: Finished difference Result 54036 states and 74106 transitions. [2022-11-02 20:42:58,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:58,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 329 [2022-11-02 20:42:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:58,466 INFO L225 Difference]: With dead ends: 54036 [2022-11-02 20:42:58,467 INFO L226 Difference]: Without dead ends: 36665 [2022-11-02 20:42:58,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:58,531 INFO L413 NwaCegarLoop]: 5770 mSDtfsCounter, 5266 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 3292 mSolverCounterSat, 2027 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5927 SdHoareTripleChecker+Valid, 10794 SdHoareTripleChecker+Invalid, 5323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2027 IncrementalHoareTripleChecker+Valid, 3292 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:58,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5927 Valid, 10794 Invalid, 5323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2027 Valid, 3292 Invalid, 4 Unknown, 0 Unchecked, 24.9s Time] [2022-11-02 20:42:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36665 states. [2022-11-02 20:43:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36665 to 34707. [2022-11-02 20:43:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34707 states, 24569 states have (on average 1.2813301314664822) internal successors, (31481), 25293 states have internal predecessors, (31481), 7915 states have call successors, (7915), 2202 states have call predecessors, (7915), 2222 states have return successors, (8011), 7755 states have call predecessors, (8011), 7915 states have call successors, (8011) [2022-11-02 20:43:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34707 states to 34707 states and 47407 transitions. [2022-11-02 20:43:00,472 INFO L78 Accepts]: Start accepts. Automaton has 34707 states and 47407 transitions. Word has length 329 [2022-11-02 20:43:00,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:43:00,472 INFO L495 AbstractCegarLoop]: Abstraction has 34707 states and 47407 transitions. [2022-11-02 20:43:00,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-02 20:43:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 34707 states and 47407 transitions. [2022-11-02 20:43:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-02 20:43:00,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:43:00,495 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 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] [2022-11-02 20:43:00,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:43:00,495 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:43:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:00,496 INFO L85 PathProgramCache]: Analyzing trace with hash 294241395, now seen corresponding path program 1 times [2022-11-02 20:43:00,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:00,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383415936] [2022-11-02 20:43:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:43:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:43:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:43:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:43:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:43:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:43:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:43:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:43:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:43:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:43:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:43:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:43:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:43:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:43:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:43:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:43:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:43:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:43:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:43:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:43:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 20:43:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:43:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 20:43:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:43:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:43:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:43:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-02 20:43:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-02 20:43:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-02 20:43:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-02 20:43:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2022-11-02 20:43:01,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:01,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383415936] [2022-11-02 20:43:01,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383415936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:01,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:01,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:43:01,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825371195] [2022-11-02 20:43:01,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:01,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:43:01,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:01,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:43:01,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:43:01,731 INFO L87 Difference]: Start difference. First operand 34707 states and 47407 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-02 20:43:04,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:08,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:12,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:17,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:43:19,324 INFO L93 Difference]: Finished difference Result 71786 states and 98218 transitions. [2022-11-02 20:43:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:43:19,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 349 [2022-11-02 20:43:19,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:43:19,544 INFO L225 Difference]: With dead ends: 71786 [2022-11-02 20:43:19,545 INFO L226 Difference]: Without dead ends: 37122 [2022-11-02 20:43:19,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:43:19,676 INFO L413 NwaCegarLoop]: 4171 mSDtfsCounter, 1580 mSDsluCounter, 4511 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 895 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 8682 SdHoareTripleChecker+Invalid, 3485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 895 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:43:19,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1847 Valid, 8682 Invalid, 3485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [895 Valid, 2587 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-02 20:43:19,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37122 states. [2022-11-02 20:43:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37122 to 35182. [2022-11-02 20:43:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35182 states, 24907 states have (on average 1.27980085919621) internal successors, (31876), 25638 states have internal predecessors, (31876), 7983 states have call successors, (7983), 2271 states have call predecessors, (7983), 2291 states have return successors, (8079), 7823 states have call predecessors, (8079), 7983 states have call successors, (8079) [2022-11-02 20:43:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35182 states to 35182 states and 47938 transitions. [2022-11-02 20:43:21,776 INFO L78 Accepts]: Start accepts. Automaton has 35182 states and 47938 transitions. Word has length 349 [2022-11-02 20:43:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:43:21,777 INFO L495 AbstractCegarLoop]: Abstraction has 35182 states and 47938 transitions. [2022-11-02 20:43:21,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-02 20:43:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 35182 states and 47938 transitions. [2022-11-02 20:43:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-02 20:43:21,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:43:21,802 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 20, 20, 20, 20, 20, 20, 5, 5, 5, 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] [2022-11-02 20:43:21,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:43:21,803 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:43:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:21,803 INFO L85 PathProgramCache]: Analyzing trace with hash -272074642, now seen corresponding path program 1 times [2022-11-02 20:43:21,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:21,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505148770] [2022-11-02 20:43:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:21,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:43:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:43:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:43:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:43:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:43:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:43:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:43:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:43:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:43:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:43:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:43:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:43:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:43:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:43:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:43:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:43:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:43:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:43:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:43:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:43:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 20:43:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:43:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:43:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:43:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:43:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-02 20:43:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:43:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-02 20:43:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-02 20:43:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-02 20:43:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2008 trivial. 0 not checked. [2022-11-02 20:43:23,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:23,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505148770] [2022-11-02 20:43:23,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505148770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:23,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:23,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:43:23,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807605444] [2022-11-02 20:43:23,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:23,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:43:23,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:23,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:43:23,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:43:23,142 INFO L87 Difference]: Start difference. First operand 35182 states and 47938 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-02 20:43:28,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:29,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:32,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:39,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:45,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:43:45,239 INFO L93 Difference]: Finished difference Result 85654 states and 116965 transitions. [2022-11-02 20:43:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:43:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 349 [2022-11-02 20:43:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:43:45,510 INFO L225 Difference]: With dead ends: 85654 [2022-11-02 20:43:45,510 INFO L226 Difference]: Without dead ends: 50838 [2022-11-02 20:43:45,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:43:45,627 INFO L413 NwaCegarLoop]: 6078 mSDtfsCounter, 4351 mSDsluCounter, 5356 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 1659 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4897 SdHoareTripleChecker+Valid, 11434 SdHoareTripleChecker+Invalid, 4838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:43:45,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4897 Valid, 11434 Invalid, 4838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1659 Valid, 3175 Invalid, 4 Unknown, 0 Unchecked, 20.0s Time] [2022-11-02 20:43:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50838 states. [2022-11-02 20:43:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50838 to 48148. [2022-11-02 20:43:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48148 states, 34073 states have (on average 1.2781381152231972) internal successors, (43550), 35066 states have internal predecessors, (43550), 10851 states have call successors, (10851), 3195 states have call predecessors, (10851), 3223 states have return successors, (10963), 10649 states have call predecessors, (10963), 10851 states have call successors, (10963) [2022-11-02 20:43:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48148 states to 48148 states and 65364 transitions. [2022-11-02 20:43:48,255 INFO L78 Accepts]: Start accepts. Automaton has 48148 states and 65364 transitions. Word has length 349 [2022-11-02 20:43:48,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:43:48,255 INFO L495 AbstractCegarLoop]: Abstraction has 48148 states and 65364 transitions. [2022-11-02 20:43:48,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-02 20:43:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 48148 states and 65364 transitions. [2022-11-02 20:43:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-02 20:43:48,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:43:48,287 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 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] [2022-11-02 20:43:48,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:43:48,287 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:43:48,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:48,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1990826374, now seen corresponding path program 1 times [2022-11-02 20:43:48,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:48,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995446637] [2022-11-02 20:43:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:48,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:43:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:43:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:43:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:43:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:43:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:43:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:43:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:43:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:43:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:43:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:43:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:43:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:43:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:43:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:43:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:43:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:43:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:43:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:43:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:43:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 20:43:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:43:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:43:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-02 20:43:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:43:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-02 20:43:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:43:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:43:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-02 20:43:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-02 20:43:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-02 20:43:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-02 20:43:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-02 20:43:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-02 20:43:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-02 20:43:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-11-02 20:43:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2022-11-02 20:43:49,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:49,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995446637] [2022-11-02 20:43:49,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995446637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:49,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:49,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:43:49,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710890427] [2022-11-02 20:43:49,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:49,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:43:49,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:49,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:43:49,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:43:49,652 INFO L87 Difference]: Start difference. First operand 48148 states and 65364 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-02 20:43:52,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:54,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:56,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:43:58,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:03,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:44:06,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []